Objective: To investigate the effects of resveratrol(RES)on the bone mineral density (BMD) in ovariectomized female rats. Method: Forty-eight SD female rats were randomly divided into 6 groups and treated respectively as follows:group A, sham operated; group B, ovariectomized (OVX); group C, OVX supplemented with 0.03 mg/(kg bw ?d)diethylstilbestrol; and group D, E , F: OVX rats supplemented with RES at 5, 15 and 45 mg(/kg bw ?d). The duration of exposure was 90 d and the BMDs of rats were measured by dual-energy X-ray absorptiometry (QDR-4500A). Results: BMDs at all measured sites of group B were significantly lower than those of group A. And compared with group B, BMDs of the total body, lumbar vertebrae and femur of group D, E, F were increased significantly by RES. Conclusion: The bone loss of the ovariectomized female rats could be inhibited by RES. It seemed that the inhibitory effects of 45 mg/(kg bw ?d)RES on bone loss of ovariectomized female rats were better than the other 2 dosages or 0.03 mg/(kg bw ?d)diethylstilbestrol in this experiment.

Objective To understand the dietary intake and nutritional status of pregnant women, and try to give a reasonable suggestion to promote the development of fetus. Methods 227 pregnant women in Changsha city were enrolled in this study. Their serum levels of vitamins were detected and their dietary intake were investigated. Results The ratio of the energy which was provided by dietary protein, carbohydrate and fat was appropriate. But the intake of dietary calcium, vitamin B1 and vitamin B2 was very low. With the development of gestation there were a remarkable rise in serum vitamin E level and decrease in serum folacin level, which was extremely obvious in the third trimester. It was about 40% of the pregnant women that the serum vitamin C level was lower than normal level. Conclusions Pregnant women tend to be lack of folacin, vitamin C and vitamin B 2.

This study was aimed to screen antibacterial agents against 9 pathogenic bacteria from 240 extracts of 60 traditional Chinese medicinals ( TCM ) . And the minimum inhibitory concentration ( MIC ) test was applied on extracts with positive results. The disk diffusion was employed to screen the antibacterial activity preliminar-ily among 240 extracts. The MICs of active extracts were tested by liquid culture method (double dilution method). The results revealed that 104 extracts show antibacterial activity on one or more strains, 20 of them show strong inhibition on three commonly seen bacteria ( MIC < 0 . 2 mg/mL ) . It was concluded that ethanol , acetone and hexane extracts of 11 TCMs including Salvia miltiorrhiza, Cnidium monnieri, Polygonum tinctorium, Taraxacum mongolicum, Morus alba, Glycyrrhiza uralensis, Curcuma longa, Arnebia euchroma, Lobelia chinen-sis , Chrysanthemum indicum and Buddleja officinalis show strong inhibition on Bacillus subtilis , Bacillus cereus , Staphylococcus aureus .

Objective To report a case of superficial white onychomycosis caused by Nigrospora sphaerica. Methods Natl specimens were obtained from the patient and examined by direct microscopy, fungal culture and histopathology. Subsequently, the isolate was subjected to DNA sequencing analysis, gelatin liquefaction test, antifungal susceptibility test and nail-plate invasion test. Results A 21-year-old male presented with a 5-month history of whitening of the right hallux. Direct microscopy of nail scrapings showed spores, hyphae and lobiform conidiophores, and histopathology of decalcifying nail clippings revealed the presence of fungal elements including numerous spores and hyphae. A black woolly colony was formed in Sabouraud's dextrose agar (SDA). DNA sequencing analysis showed that the isolate was highly consis-tent with genus Nigrospora. Also, the isolate possessed the ability to liquefy gelatin and to invade normal nail plate. Antifungal susceptibility test showed that the isolate was highly susceptible to itraconazole, clotrimazole, amphotericin B and nystatin. The onychomycosis was cured after 5-month treatment with oral itra-conazole pulse therapy. Conclusions The isolate is identified as Nigrospora sphaerica by morphological features and DNA sequencing analysis. It is the first reported case of superficial white onychomycosis caused by N. Sphaerica in China, and it was effectively treated by itraeonazolc.

Objective To report a case of cutaneous infection due to Trichosporon dermatis. Methods Lesional discharge and tissue were obtained and subjected to microscopic examination, fungal culture and histopathology, respectively. The fungal isolate was then identified with DNA sequence analysis, API 20C AUX system, gelatin liquefaction test, thermal tolerance test. Antifungal susceptibility test was also performed for the fungus. Results A 70-year-old male presented with a 9-month history of ulcerated swelling of the right medial malleolus after plant puncture. Direct microscopic examination of lesional discharge showed no fungal elements, but histopathological biopsy revealed hyphae and spores in the dermis. Yellowish white yeast-like colony grew on Sabouraud dextrose agar (SDA). Slide culture showed pseudohyphae, true hyphae, arthroconidia and blastoconidia. The isolate was identified as Candida humicola by API 20C AUX system, but as T. dermatis by DNA sequence analysis. The strain was unable to liquefy gelatin, could grow at 25 ℃ to 40 ℃, and was sensitive to amphotericin B, itraconazole, voriconazole and nystatin. The skin lesion completely subsided after 4-month treatment with oral itraconazole. Conclusions The isolate is identified as T. dermatis according to morphological features and DNA sequence, which is sensitive to itraconazole.

Objective To investigate the effect of soybean isoflavone on histology and uhrastructure of benign prostatic hyperplasia in rats.Methods Male SD rats were injected subcutaneously testosterone propionate for 28 d to induce prostatic hyperplasia,and the rats were divided into 5 groups:control group,model group,and 3 test groups with SI in a dose of 60 mg/(kg·d),120 mg/(kg·d) and 240 mg/(kg·d),respectively.The wet prostate weight,prostatic index,morphological,uhrastmetural and morphometrie changes of the prostatic shndular and interstitial tissues were observed.Results The prostate wet weight,prostatic index and prostatic volumes in all dose groups were significantly lower than those in the models.In comparison with the model group,height of prostatic epithelial cells,glandular average diameters,volumes and surface areas in unit volume,as well as glandular circumferences,glandular relative total volumes and interstitial relative total volumes were all significantly decreased.Glandular counts,density,ratio of glandular surface area to volume,and glandular average curvature were all increased.Conclusions Soybean isoflavone can inhibit prostatic hyperplasia in rats.

Objective To investigate the effect of equol on ERK mediated signal transduction pathway and to clarify its mechanism of proliferation inhibition on human ovarian carcinoma cell line SKOV-3. Method SKOV-3 cells were treated with 10-8,10-7,10-6,10-5,5?10-5,10-4 mol/L equol for 24,48 and 72h. After pretreatment with 10 ?mol/L U0126 an ERK signaling pathway inhibitor or ICI182,780,estrogen receptor inhibitors for 1h,then treatment with 50 ?mol/L equol for 2h,the cell viability was examined and the expressions of ERK and p-ERK protein were determined using Western blotting. Results Equol was demonstrated to inhibit SKOV-3,proliferation time-and dose-dependently. The expression of p-ERK protein was decreased in dose-dependent manner,while the expression of total ERK was unchanged. Both the single use of U0126,or ICI182,780,and combined with equol could decrease the expression of p-ERK protein. Conclusion Equol could inhibit proliferation in ovarian carcinoma cell lines SKOV-3. Its inhibitory effect appears to be due to down-regulation of p-ERK protein.

Objective To study the effect of age on the recurrence-free survival rate after hepatic resection for hepatocellular carcinoma(HCC)and the relationship between microvessel density (MVD)and recurrence of HCC in the elderly. Methods　Severty one cases of elderly patients with HCC were analyzed retrospectively with 352 cases of non-elderly HCC patients as control,and the effect of age on the recurrence-free survival rate was studied.The expressions of CD34 and endocan in HCC tissues were detected by immunohistochemistry in 30 elderly and 30 non-elderly patients.Results　The 1-,3- and 5-year recurrence free survival rates were 75.7%,43.0% and 43.0% in the elderly group respectively,which were higher than those in the non-elderly group(53.6%,38.5% and 33.4%,respectively,Log Rank value=10.25,P＜0.05).The positive rate of alpha fetoprotein (AFP)in the elderly group was 47.9%,which was lower than that in the non-elderly group(62.2%)(X2=23.68,P＜0.05).The median survival times in the high CD34-MVD group and high endocan MVD group were shorter than those in the low CD34-MVD group and low endocan-MVD group(260 d vs.850 d,360 d vs.800 d,Log Rank value was 22.18 and 20.56 respectively,both P＜0.05).Conclusions　The long-term prognosis of hepatic resection for HCC is better in elderly patients than in non-elderly patients.The recurrence of HCC in the elderly is closely related with angiogenesis.

Objective To explore the value and advantage of intracranial pressure (ICP) monitoring in the treatment of hypertensive intracerebral hemorrhage (HICH) through minimally invasive surgery. Methods Seventy-three HICH cases were randomly selected and then divided into control group and treatment group. Thirty-four of them in control group received soft-channel minimally invasive hematoma removal. The head of the soft-channel was placed in the center of the hematoma. One third to half of the initial hematoma was extracted during the operation. Urokinase was injected into the soft channel to dissolve the hematoma. Thirty-nine of them in treatment group underwent the same operation procedure but with ICP monitoring to control aspirating hematoma during the operation. The target ICP was 15 mmHg. The aspiration of hematoma may stop once the ICP down to the target. Treatment such as urokinase injection was adjusted according to the value of ICP monitoring throughout the operation. The incidence of rebleeding, hematoma evacuation time and the average length of stay between two groups were compared. Results The results showed that one fifth of hematoma extracted was enough for a desired ICP. There found no rebleeding case in treatment group while 4 cases in control group and the difference had statistical significance. The hematoma evacuation time and the average length of stay between two groups had statistical significance. Conclusion Continuous ICP monitoring combined with directional software channel minimally invasive surgery changes the concept of empirically intraoperative hematoma evacuation and postoperative drug injection and proposes the idea of controlling drainage. It can shorten the course, provide sensitive and objective indicators and basis, reduce the secondary brain injury and improve prognosis.

BACKGROUND:There is few mesenchymal stem cells(MSCs) in the bone marrow,about one BMSC in 1?104-1?105 monocytes.Following in vitro isolation,purification and amplification,it is satisfactory for in vivo requirement.OBJECTIVE:To observe biological characteristics and potentiality of multi-directional differentiation of BMSCs in vitro.DESIGN,TIME AND SETTING:The cytological in vitro study was performed at the Institute of Urinary Surgery,Union Hospital Affiliated to Fujian Medical University from October 2007 to December 2008.MATERIALS:A total of 30 clean male Sprague Dawley rats of inbreeding line were supplied by Silaike,Shanghai,China.METHODS:BMSCs from rats were isolated and cultured in vitro by using the whole bone marrow adherence method.When 80%-90% confluency,BMSCs were digested by trypsin.At the third passage,BMSCs were induced to differentiate into osteoblasts and adipocytes.MAIN OUTCOME MEASURES:Cell morphology was observed under the inverted phase contrast microscope.BMSCs surface markers were detected using flow cytometry.Osteogenic ability was examined by alizarin red staining.Adipogenic ability was measured by Oil red O staining.RESULTS:The primary cells and the passage cells were mostly fusiform in shape,to be similar to fibroblasts.Cell still kept a high potential of growth and amplification following over 10 subcultures.At the third passage,BMSCs were positive for CD44,CD90,CD106,but negative for CD34,CD45,CD11b.Following 21 days of osteogenic induction,cell alizarin red staining showed that alizarin red was positive in osteoblasts.Following 2 weeks of adipogenic induction,oil red O staining showed that red lipid droplet existed in adipocytes.CONCLUSION:Whole bone marrow adherence method can isolate,purify and amplify BMSCs in vitro.The obtained cells have general biological characteristics of MSCs,and also have potentiality of multi-directional differentiation.