Purpose: Neonatal late-onset hypocalcemia is defined as hypocalcemia developed after postnatal 3 days and associated with hypoparathyroidism, high phosphate diets and vitamin D deficiency. We experienced the increment of neonatal late onset hypocalcemia over 1 year. We tried to evaluate the relationship between late onset hypocalcemia and maternal hypovitaminosis D. Methods: The medical records in the neonates with late-onset hypocalcemia during January 2007 to July 2008 were retrospectively reviewed. Among those patients, 17 paired sera of mothers and neonates had collected. The levels of 25-OH vitamin D (25OHD) and intact parathyroid hormone (iPTH) were measured and were compared with neonate and the mother. Results: The mean gestational age was $38^{+1}$ weeks, and the mean body weight was 2,980 g. The onset time of hypocalcemia was 5.9 days of age. Most of them (88.2%) were feeding with formula and no one was only breast milk feeding. Of the 17 patients, 13 were born in spring or in winter. The median levels of calcium, phosphorus, alkaline phosphatase, iPTH and 25OHD were 7.0 mg/dL, 8.6 mg/dL, 191.0 U/L, 57.2 pg/mL and 24.0 ng/mL in neonates. The levels of 25OHD of 6 neonates were <20 ng/mL. A total of 16 mothers were considered vitamin D-deficient (<20 ng/mL), and vitamin D insufficient (20<25OHD<30 ng/mL). Conclusion: Neonatal late-onset hypocalcemia in our study seems to be influenced by maternal vitamin D deficiency and insufficiency. Sun tanning and vitamin D supplements from winter to spring would be helpful to prevent maternal vitamin D deficiency, one of the causes of neonatal late-onset hypocalcemia.
Objectives : This study was designed to investigate the effect of Injinsammul-tang (IJS) on hepatocellular carcinogenesis in rats. Methods : Sprague Dawley (SD) rats of control and treatment groups received intraperitoneal injection of 50 mg/kg/day diethylnitrosamine (DENA) weekly for 8 weeks. Experimental rats were classified into 3 groups; normal group (Nor), hepatic cancer induced control group (Con), and IJS extract 250 mg/kg administered group (IST) after being injected with DENA. Thereafter the changes of body weight, liver weight and weight of liver/100g body weight, the activities of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), lactate dehydrogenase (LDH), and superoxide dismutase (SOD) were measured. Gross anatomy and optical microscopy were also observed. Results : The body weight decreased in Con and IST compared with the Nor. The weight of liver and the weight of liver/100g body weight increased significantly in Con and IST compared with the Nor. The activities of AST, ALT, ALP, LDH increased in the Con compared with Nor, but decreased in IST compared with Con. The activities of SOD increased in the Con and IST compared with Nor. Upon naked eye and light microscopic examination, IJS improved the morphological and histopathological changes of liver caused by DENA-induced hepatic neoplasm. The number of hepatic p53 positive cells decreased in the IST compared with Con. Conclusions : Most of the results did not show a significant effect, but some of the results showed a significant effect. It can be estimated that IJS has some effects on hepatocellular carcinogenesis induced by DENA in rats, and further studies will be needed.
Kim, Jong Dae;Park, Mi Yeon;Kim, Joo Wan;Kim, Ki Young;Cho, Hyung Rae;Choi, In Soon;Choi, Jae Suk;Ku, Sae Kwang;Park, Soo-Jin
Journal of Physiology & Pathology in Korean Medicine
/
v.29
no.4
/
pp.330-336
/
2015
Polycan originating from Aureobasidium pullulans is mostly composed of β-1, 3/1, 6 glucans and possesses an anti-osteoporotic effect. We conducted a randomized, double-blind, placebo-controlled trial to examine the efficacy and safety of the polycan on bone biochemical markers in healthy perimenopausal women. Sixty subjects were randomly allocated to 2 groups-group 1 received 400 mg of polycan and group 2 received placebo-these were administered once daily for 28 days. Fasting blood and urine samples were collected at baseline and 4 weeks after treatment. The primary outcome was change in osteocalcin (OSC) and bone-specific alkaline phosphatase (BALP). Changes in calcium (Ca), phosphorus (P), C-telopeptide of collagen cross-links (CTx), N-telopeptide of collagen cross-links (NTx), and deoxypyridinoline (DPYR) were the secondary outcomes. A safety assessment was performed using adverse event (AE) and laboratory data. After 4 weeks of polycan treatment, OSC, DPYR, and BALP levels changed (P < 0.05) significantly from baseline in both groups. However, no significant differences were observed in any markers between the 2 groups, except for P (P < 0.05). Interestingly, group 2 showed a significant increase in CTx (65.2%, P < 0.05), while CTx in group 1 slightly increased (17.2%). Both groups showed no significant differences in AE. Although 4 weeks of polycan treatment did not have a statistically significant effect on bone metabolism biomarkers, increases in CTx were modestly inhibited by polycan. Further studies in a large population and longer treatment periods are needed to confirm the effect of polycan on bone turnover.
In order to investigate the protective effect of Injinhotanghapsihosogantang-gagambang on the liver injury of rats induced by $CCl_4$ and d-galactosamine, the serum transaminase(GOT&GPT) alkaline phosphatase(ALP), lactic dehydrogenase(LDH) for enzyme activities, triglyceride for serum component, liver weight and glutathione S-transferase(GST), Superoxide dimutase(SOD) were measured. All animals were divided into 5 groups, those were normal group(untreated), control group(treated with vehicle 0.9% Saline solution), sample I group(10mg/kg administrated), sample II group(30mg/kg administrated), Silymarin 200 administrated group. The results were as follows: 1. The inhibitory effects of the serum GOT activities in rats induced by $CCl_4$ were noted in both sample I (p<0.001) and sample II group(p<0.001). In serum GPT activities, sample I (p<0.01) and sample II group(p<0.01). 2. The inhibitory effects of the serum LDH activities in rats induced by $CCl_4$ were noted in both sample I (p<0.001) and sample II group(p<0.001). 3. The increased effects of the serum ALP activities in rats induced by $CCl_4$ were not recognized. 4. The inhibitory effects of the serum triglyceride content level in rats induced by $CCl_4$ were inhibited in only sample II group(p<0.05). 5. The increased effects of the liver weight level in rats induced by $CCl_4$ were inhibited in both sample I (p<0.05) and sample II group(p<0.05). 6. The inhibitory effects of the GST activities in rats induced by $CCl_4$ were not recognized. In SOD activities, both sample I (p<0.05) and sample II group(p<0.001) showed the inthbitory effects. 7. The inhibitory effects of in the serum GOT, GPT activities in rats induced by d-galactosamine were not recognized. 8. The increases of the serum LDH level in rats induced by d-galactosamine were noted in both sample I (p<0.01) and sample II group(p<0.001). 9. The inhibitory of the serum triglyceride content level in rats induced d-galactosamine were noted in only sample II group(p<0.05). According to the above results, it is considered that Injinhotanghapsihosogantang-gagambang has protective effect against liver injury in rats induced by $CCl_4$ and d-galactosamine.
We investigated the pathogenesis of liver tissue damage during the lipid peroxidation and fibrogenesis with the observation of correlations between the parameters of collagen synthesis (and deposition) and lipid peroxidation in liver fibrosis (cirrhosis) rats. Rats were randomly divided into two groups, normal and $CCl_4$-thiopental sod. intoxicated group. And the one group was treated intragastrically with the mixture of $CCl_4$-thiopental sod. 3 times per week for 3 weeks. The liver tissue and sera were used for the measurement of hydroxyproline (HYP), malonedialdehyde (MDA) and superoxide dismutase (SOD). Biochemical parameters such as aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP), total-bilirubin and blood urea nitrogen (BUN) were measured. Additionally, the expression of collagen ${\alpha}1$(III) and $\beta$-actin mRNA was observed by RTPCR. The histological change in liver tissue was also observed by Masson's trichrome and H&E staining. Correlation analysis was carried by Spearman's rho method. All biochemical parameters except total-bilirubin were significantly higher in the $CCl_4$-thiopental sod. treated group than that of the normal group (p < 0.01). In the $CCl_4$-thiopental sod. treated group, Hyp as a parameter of collagen synthesis (deposition) and MDA as a metabolite of lipid peroxidation, were significantly elevated by 1.98 and 2.11 times higher than that of the normal group (p < 0.001) respectively. The activity of SOD in the $CCl_4$-thiopental sod. treated group is decreased significantly by 44.8% (p < 0.001). And collagen ${\alpha}1$(III) mRNA was more expressed in the $CCl_4$-thiopental sod. treated group than that of the normal group. However, the expression of $\beta$-actin mRNA is showed similar in both of groups. A good correlation was observed between the content of hyp and MDA concentration (r = 0.70, n = 40) in the two groups. And the correlation between the levels of hyp and SOD (r = -0.71, n = 25) is also reliable. However, no correlation were observed between MDA concentration and SOD (r = -0.40, n = 25) in the two groups. Elevated levels of MDA in $CCl_4$-thiopental sod. treated rats indicated enhancement of lipid peroxidation, which is accompanied by a decrease in SOD activity. Moreover, we could confirm that the parameters of collagen synthesis (and deposition) is in good correlation with the metabolite of lipid peroxidation (MDA) and the lipid peroxidation antagonizing enzyme (SOD). Hence, we propose that (1) lipid peroxidation and collagen synthesis (and deposition) could be enhanced by intragastrically application of $CCl_4$-thiopental sod. during a short terms. And (2) the intoxication of $CCl_4$-thiopental sod. could be used for monitoring of lipid peroxidation and collagen synthesis (and deposition) for test of antioxidant and antifibrotic agent.
Choi, Jae Won;Kim, Yong Ha;Moon, Young Mi;Kim, Yoen Jung;Choi, Sik Young
Archives of Plastic Surgery
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v.33
no.5
/
pp.612-615
/
2006
Purpose: An ideal bony construct can be divided into two broad categories: (1) the design and fabrication of biodegradable, biomimetic scaffolds that provide correct signals to induce osteogenesis: (2) the identification of an ideal source of osteoprogenitor cells to seed onto the scaffold. We selected poly-glycolic acid as a synthetic scaffold among various scaffolds because of these properties. Meanwhile, culture medium is supplemented with fetal bovine serum(FBS): such serum contains essential elements such as proteins, hormones, growth factors and trace minerals. The composition of FBS can be ideal for various cell growth in vitro. We supposed that we could enhance bone growth at a fractured site if FBS was mixed with synthetic scaffold-PGA. Methods: We cultured human osteoblasts in five different prepared culture dishes made with FBS and PGA mixture. The mixtures contained different ratio of FBS, that is, 0, 1.5, 3, 7, and 10%. We cultured human osteoblasts for seven days and examined the growth and attachment of the cells at the 1st, 3rd, 5th, 7th days, respectively. Results: In the mixture of 0% FBS and PGA, the growth of the cells lasted for one day. In 1.5 and 3% FBS and PGA, the growth of the cells was examined at the 3rd day, then minimally declined at the 5th and 7th days. In 7% FBS and PGA, the growth of the cells lasted for 5 days, then declined at the 7th day. In 10% FBS and PGA, the growth of the cells lasted for 5 days, then declined at the 7th day. Staining status of the osteoblasts with alkaline phosphatase showed pale pink color in 0% FBS and PGA groups, but bright pink color in 1.5, 3, 7, 10% FBS and PGA groups, especially in 3%, 7%. Conclusion: In consequence, the growth of human osteoblast was higher in the mixture of FBS and PGA groups than in pure PGA ones. It is assumed that the mixture of FBS and PGA affects the proliferation of human osteoblasts.
This study was performed to observe the effect of Keughachukeo-tang(KH) extract on the hepatocellular carcinogenesis and acute liver damage induced by Diethylnitrosamine(DENA) and $CCl_4$ in Rats. Experimental groups were divided into four; normal group(Nor), acute liver damage and hepatocellular cancer inducing control group(Con), KH extract 350㎎/㎏/day(KHA), and 700㎎/㎏/day(KHB) administered groups to Con. The results obtained are as follows: The body weight increased in KHA and KHB than Con from 7th week to the 8th week. The activities of Alanine aminotransferase(ALT) were the most increased in the Con among experimental group. The activities of aspartate aminotransferase(AST), alkaline phosphatase(ALP), and lactacte dehydrogenase(LDH) were significantly decreased(p$<$0.05) in the KHA and KHB compared with Con. Alpha fetoprotein(AFP) were the most increased in the Con among experimental groups. The activities of superoxide dismutase(SOD) were the most increased in the Con among experimental groups. The activities of catalase were significantly increased(p$<$0.05) in the KHA and KHB compared with Con. The results of light microscopical observation, a number of hepatocytes were damaged in the Con compared with Nor and KH extract administerd groups. The number of hepatic p53 positive cells was reduced in the KH extract administered groups compared with Con. These results suggest that administration of KH extract suppress or retard on the Hepatocellular Carcinogenesis and acute liver damage induced by DENA and $CCl_4$ in Rats.
Canalicular liver plasma membrane vesicles (cLPM) were prepared according to two different methods (Inoue method and Meier method), and were evaluated for their protein yield, enzyme activity and transport characteristics. No difference was found between the methods in the protein yield (i.e., $0.14{\pm}0.031$ and $0.15{\pm}0.050$ mglg liver for Inoue method and Meier method, respectively). The activity of alkaline phosphatase, a marker enzyme of canalicular membrane, was significantly (P<0.05) higher in the vesicles of Meier method $(3.52{\pm}0.91\;mmol/mg/hr)$than in the vesicles of Inoue method ($2.28{\pm}0.94$ mmol/mg/hr) indicating that more purified cLPM were obtained from Meier method compared with Inoue method. ATP-dependent vesicular uptake of taurocholate and tributylmethylammonium (TBuMA) was observed for vesicles of both methods, and the kinetic parameters responsible for the transport were similar between the vesicles of both methods (for example, $V_{max}:$ 9.72 nmol/mg protein/30sec and $K_m:$ 0.63 mM for Inoue method; $V_{max}:$ 10.1 nmol/mg protein/30sec and $K_m:$ 0.70 mM for Meier method). A pH gradient dependent counter transport of TBuMA was also observed for both vesicles with similar kinetic characteristics. Either the uptake of taurocholate in the absence of ATP or that of TBuMA in the absence of pH gradient, which may represent passive diffusion of respective compound into the vesicles, was more rapid for the vesicles of Meier method than for the vesicles of Inoue method. For example, passive diffusion rate constants $(K_d)$ for TBuMA uptake into the vesicles were 0.00030 and 0.00052\;{\mu}l/mg$ protein/min for the vesicles of Inoue method and Meier method, respectively. It may indicate that more leaky vesicles are obtained form the Meier method compared with the Inoue method. These aspects together with the time necessary to prepare the vesicles (i.e., 8 hr for Inoue method and 23 hr for Meier method) should be considered before selecting an appropriate method for the preparation of cLPM.
Background: Heat stress adversely affects the physiological and metabolic status, and the productive performance of buffalo. Methods: The present study was conducted to explicate the effect of misting and wallowing cooling strategies during heat stress in lactating Murrah buffalo. The study was conducted for three months (May-July) of which first two months were hot dry and last month was hot humid. Eighteen lactating buffaloes, offered the same basal diet, were blocked by days in milk, milk yield and parity, and then randomly allocated to three treatments: negative control (no cooling), cooling by misting, and cooling by wallowing. Results: The results showed higher (P < 0.05) milk yield in buffaloes of misting and wallowing group compared to control during the experimental period however wallowing was found more (P < 0.05) effective during July (hot humid period). Both the treatments resulted into significant (P < 0.05) reduction in rectal temperature (RT) and respiratory rate (RR) compared to control animals during study period whereas wallowing was found to be effective on pulse rate (PR) only during July. Both treatments were resulted in mitigating the heat stress mediated decrease in packed cell volume (PCV), lymphocytopnoea and neutrophilia whereas decrease in total erythrocyte count (TEC) and monocytes was only mitigated by wallowing. Heat load induced alteration in serum creatinine and sodium concentration was significantly (P < 0.05) ameliorated by misting and wallowing whereas aspartate aminotransferase, alkaline phosphatase and superoxide dismutase activity, and reactive oxygen species concentration could be normalized neither by misting nor by wallowing. The significant (P < 0.05) increment in serum cortisol and prolactin levels observed in June and July period in control animals was significantly (P < 0.05) prevented by misting and wallowing. Conclusions: It can be concluded that misting and wallowing were equally effective in May and June (hot dry period) whereas wallowing was more effective during hot humid period in preventing a decline in milk production and maintaining physiological, metabolic, endocrine and redox homeostasis.
Cynanchum wilfordii and Phlomis umbrosa Turcz. are known to contain isoflavone, a representative phytoestrogen. This study was performed to determine whether the extract mixture of C. wilfordii and P. umbrosa Turcz. would induce an estrogenic effect in ovariectomized rats. The extracts were administered to the ovariectomized rats at 30, 60, 120 mg/kg per day for 4 weeks, respectively. They showed no estrogenic effect, which was indicated by the decrease in uterus wall thickness as well as the increase in body weight and the level of cholesterol and triglyceride. The extracts also had no effect on the concentrations of estrogen and growth hormone in the serum. However, the increase in alkaline phosphatase activity, which leads to protection against the bone loss caused by ovariectomy, was noted on administration of the extract. Therefore, it seemed that the extracts of C. wilfordii and P. umbrosa Turcz. had no estrogenic effect in rats.
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