Cutaneous Fistula ; etiology ; surgery ; Female ; Humans ; Laryngectomy ; adverse effects ; Male ; Middle Aged ; Pharyngeal Diseases ; etiology ; surgery ; Reconstructive Surgical Procedures ; methods ; Surgical Flaps

Objective To compare the treatment effect of autologous blister skin grafting with ReCell autologous chromocyte grafting on cicatricial depigmentation caused by deep burn.Methods Thirty-four patients with cicatricial depigmentation caused by deep burn who were admitted into hospital from May 2012 to February 2015 were included in this study.The total 61 depigmentation areas were randomly divided into two groups;32 areas from 18 patients were treated with autologous blister skin grafting,and the other 29 areas from 16 patients were trea-ted with ReCell autologous chromocyte grafting.In the autologous blister skin grafting treated group,epidermis from the depigmentation area was removed by grinding with a BY-II AM type epidermal graft vitiligo treatment equipment.Then the autologous blister skin was harvested with the suction blistering method and grafted onto the wound of depigmentation area.In the ReCell autologous chromocyte grafting treated group,split-thickness skin flap was harvested by electric dermatome.Then the donor skin was processed into chromocyte suspension with the ReCell assay kit and evenly sprayed onto the depigmentation areas.The wound healing time and the pigment recovery 3 months after surgery were observed.Results The wound healing time of autologous blister skin grafting treated group was significantly shorter than that of ReCell autologous chromocyte grafting treated group (P <0.05 ).The effective rate of pigment recovery 3 months after surgery in autologous blister skin grafting treated group was markedly higher than that of ReCell autologous chromocyte grafting treated group(P <0.05 ). Conclusion The autologous epidermal grafting treatment using grinding and suction blistering method is simple and easy to perform,marked-ly effective,with no suture scar and low surgical risk,thus serving as a promising and ideal therapeutic method for burn scar depigmentation.

Objective:To explore the correlation between fluoride intake and serum alkaline phosphatase (ALP) in pregnant women of different gestational periods in endemic fluorosis area.Methods:Pregnant women in Rencheng District, Jinxiang County, Jiaxiang County of Jining City and Yuncheng County of Heze City were selected in April 2020. According to the gestational weeks, pregnant women were divided into early pregnancy group (0 - 12 weeks), middle pregnancy group (13 - 27 weeks) and late pregnancy group (> 27 weeks). The levels of urinary fluoride, ALP, osteocalcin (BGP), C-terminal peptide of β-Ⅰ collagen (β-CTX) and N-terminal propeptide of type Ⅰ collagen (PINP) of pregnant women in each group were measured, and the correlation between urinary fluoride and ALP, BGP, β-CTX, and PINP in pregnant women of different gestational periods was analyzed.Results:A total of 372 pregnant women were selected, including 97 cases in early pregnancy group, 169 cases in middle pregnancy group and 106 cases in late pregnancy group. There was no significant difference in urinary fluoride level between the three groups [(1.20 ± 0.25), (1.23 ± 0.19), (1.24 ± 0.30) mg/L, P > 0.05]. There was significant difference in serum ALP among the three groups ( P < 0.05), among them, the ALP level in early pregnancy was significantly lower than those of middle pregnancy group and late pregnancy group ( P < 0.05), and the ALP level in middle pregnancy was significantly lower than that of late pregnancy group ( P < 0.05). There was no significant differences in serum β-CTX among the three groups ( P > 0.05). There were significant differences in serum BGP and PINP levels among the three groups ( P < 0.05). The serum BGP and PINP levels in late pregnancy group were significantly higher than those of early pregnancy group and middle pregnancy group ( P < 0.05), and there were no significant differences in serum BGP and PINP levels between early pregnancy group and middle pregnancy group ( P < 0.05). There was a significant positive correlation between urinary fluoride and ALP in early pregnancy group ( r = 0.364, P < 0.05), but no significant correlation between urinary fluoride and BGP, β-CTX and PINP ( r = 0.164, 0.117, 0.136, P > 0.05). There was a significant positive correlation between urinary fluoride level and ALP in middle pregnancy group ( r = 0.417, P < 0.05), but no significant correlation between urinary fluoride level and BGP, β-CTX and PINP ( r = 0.127, 0.108, 0.129, P > 0.05). There was no significant correlation between urinary fluoride level and ALP, BGP, β-CTX and PINP in late pregnancy group ( r = 0.179, 0.158, 0.184, 0.149, P > 0.05). Conclusions:The urinary fluoride level of pregnant women in endemic fluorosis area is relatively stable in gestational period. The urinary fluoride level affects the ALP secretion of pregnant women in early and middle pregnancy. It is still necessary to strengthen the measures of improving water quality and defluoridation to reduce the impact of excessive fluoride intake on pregnancy complications in endemic fluorosis area.

Objective To observe the effect of MG-132 on NF-κB signal path of cartilage and synovium in a rat model of knee osteoarthritis.Methods The rat models of knee osteoarthritis were established by performing anterior cruciate ligament amputation and partial medial meniscectomy.Totally 144 adult SD rats were randomly divided into 4 groups:MG-132 group,100 ml 0.007 g/L MG-132 solution was injected in to the knee joints of rat model 24 h after surgery; DMSO group,100 ml 0.1％ DMSO solution was injected 24 h after surgery; sham surgery group,merely the knee capsulotomy was performed and no solution was injected;control group,100 ml 0.007 g/L MG-132 solution was injected into the knee joints.The cartilage and synovium specimens were obtained at 2,4,12 weeks postoperatively.Pathomorphological observation was taken.The levels of NF-κB p65,I-κB,TNF-α and IL-1β at mRNA were detected by real-time PCR,and the activityof 20S proteasome was measured by fluorospectrophotometry.Resnlts The Mankin score of MG-132 groupwas lower than that of DMSO group.The Mankin scores of sham surgery and control groups were lower thanthose of MG-132 and DMSO groups with significant difference.The mRNA levels of NF-κB p65,IL-1 β,TNF-α of cartilage and synovium in MG-132 group were lower than those of DMSO group with significant differenceexcept for NF-κB p65 of synovium at 2 weeks and IL-1β of cartilage at 12 weeks.The mRNA levels of I-κB of cartilage at 2 weeks and I-κB of synovium at 4 weeks in MG-132 group were higher than those in DMSO group with statistical significance.Conclusion MG-132,the proteasome inhibitor,could postpone the progress of osteoarthritis through alleviating synovial inflammation and defending the articular cartilage.

Adult ; Female ; Humans ; Male ; Mucociliary Clearance ; Nasal Mucosa ; diagnostic imaging ; physiology ; Radioimmunoassay ; Radioisotopes ; Radionuclide Imaging

Objective To evaluate quantitatively the spasticity of elbow flexor biceps in stroke patients using integrated EMG (IEMG),and to correlate the IEMG with Ashworth scale.Methods The IEMG data was recorded from the biceps while passively stretch the elbow joint of a group of 90 subjects,and was correlated with the varying levels of Ashworth category(20 cases with grade 0,6 cases gradeⅠ,16 cases gradeⅠ~+,20 cases gradeⅡ,and 18 ca- ses gradeⅢ).Results The IEMG data were positively correlated with simultaneous Ashworth scale categories.The range of IEMG value corresponding to the Ashworth category is as follows:1.3～12.1 (6.7?5.4)?V?s vs Ash- worth grade 0;4.6～12.3 (8.5?3.9)?V?s vs Ashworth gradeⅠ.15.3～28.4(21.8?6.6)?V?s vs Ashworth gradeⅠ~+;37.2～68.9 (53.1?15.6)?V?s vs Ashworth gradeⅡ;82.3～144.1 (113.2?30.9)?V?s vs Ash- worth gradeⅢ.Conclusion The IEMG value can be used to quantify the spasticity of elbow flexor in stroke pa- tients.

Objective To conduct a computer simulation to evaluate the discrepancy between the cumulative doses calculated by four-dimensional computed tomography (4DCT) images and 4DCT scans (for real-time respiratory motions) due to the patient's irregular breathing.Methods A series of digital phantoms were generated from a patient's 4DCT images to simulate 4DCT images and 4DCT scans (for real-time respiratory motions) resulting from various irregular breathing curves.A six-field intensity-modulated radiotherapy plan was generated.Two cumulative doses in the target were calculated.The first one, named Dall, was calculated by tracking the point displacements in the target manifested on the 4DCT images;the second one, named D4D, was calculated based on the point displacements along the whole breathing motion during 4DCT scanning.Dose discrepancy between D4D and Dall was calculated to evaluate the correlation between breathing pattern and dose discrepancy in the target.Results The dose discrepancy in the target was correlated with mean motion excursion and the standard deviation of motion excursion.ΔDmin(ΔD99) in the target increased from 2.39%(2.04%) to 11.91%(5.24%) as the mean motion excursion increased from 5 mm to 15 mm, and increased from 5.93%(2.15%) to 14.65%(5.01%) as the standard deviation of motion excursion increased from 15% to 45% of the mean motion excursion.When the mean period increased from 3 s to 5 s or the standard deviation of period increased from 10% to 40% of the mean period,ΔDmin(ΔD99) in the target was greater than 6.0%(2.0%), but less than 9.0%(3.0%).When the target diameter was 2 cm, 3 cm, and 4 cm,ΔDminΔD99) in the target was 11.88%(5.50%), 6.91%(2.42%), and 7.53%(3.62%), respectively.Conclusions There is a large discrepancy between the cumulative doses calculated using 4DCT images and 4DCT scans (for real-time respiratory motions) when the patient has irregular breathing.This dose discrepancy depends on mean motion excursion and the standard deviation of motion excursion, but has little relationship with mean period, the standard deviation of period, and tumor volume.

OBJECTIVETo investigate the time trends of cancer mortality among residents in Kaifeng county, Henan province.

METHODSData on cancer mortality from the vital registration system in Kaifeng county from 1988 to 2005 was analyzed. A total of 9543 death records (5974 males and 3567 females) due to malignant tumors were studied. A two-year-period age-specified standardized mortality rates were directly adjusted by the world standard population, and the annual percentage change (APC) of mortality were estimated by a linear logarithm regression.

RESULTSThe crude cancer death rate for male was 95.09/100,000 and its age-standardized death rate was 117.41/100,000. While, the crude cancer death rate for female was 59.13/100,000 and the age-standardized death rate was 57.15/100,000. There was a significant growth tread for lung cancer (APC: 6.54%), liver cancer (5.07%) in males and breast cancer (7.04%) in females in the groups aged over 18. On the contrary, the decreasing treads for esophageal cancer in both of sexes (-7.09%, -13.53%) were also observed in this study. Meanwhile, there was no other significant changes in the trend, either in the tumor sites or mortality, was observed.

CONCLUSIONIn the past two decades, there has been a significant increasing trend for cancer mortality in Kaifeng county, of Henan Province. Hence, it is necessary to enhance epidemiological survey to identify risk factors at the earlier stages.

China ; epidemiology ; Death Certificates ; Female ; Humans ; Male ; Mortality ; trends ; Neoplasms ; mortality ; Rural Population

OBJECTIVETo observe the effects of indole-3-carbinol (I3C) on the outcome of the tumor as well as the changes of the anti-oxidative system in null mice grafted with nasopharyngeal carcinoma.

METHODS48 BALB/c null mice were divided by means of random number table into control group (0.5% sodium carboxyl methyl cellulose), low dosage (0.02 g/kg), middle dosage (0.1 g/kg) and high dosage (0.5 g/kg) of I3C. The mice were administered with different solutions by gavage for 10 days before CNE1 cells were inoculated subcutaneously into the back (near the armpit) of the nude mice, then the solutions were continually administered by gavage. The tumor volume was measured and the tumor inhibitory rate was calculated. The level of malondialdehyde (MDA), the activity of superoxide dismutases (SOD), the activity of glutathione peroxidase (GSHPx) and the expression of cleaved caspase-3 were determined on the 31th day of the study.

RESULTSI3C could reduce the tumor volume [the tumor volumes of the control group, the middle dosage group and the high dosage group were (4.13 +/- 0.53) x 10(-6) m(3), (3.14 +/- 0.71) x 10(-6) m(3), (2.72 +/- 0.29) x 10(-6) m(3)], as compared with the control, the shrinkage of tumor volume of the middle dosage group and the high dosage group were significant (the t valued at 0.990 and 1.510, P < 0.01). The tumor inhibitory rates of 3 groups were 3.8%, 20.5% and 34.9%, respectively. The contents of MDA in the tumor tissue tended to decrease [the values of control group, the low dosage group, the middle dosage group and the high dosage group were (31.29 +/- 2.51) x 10(-6) mol/L, (30.12 +/- 2.37) x 10(-6) mol/L, (23.32 +/- 1.93) x 10(-6) mol/L, (16.45 +/- 1.43) x 10(-6) mol/L] (F = 98.752, P < 0.01), and that of the high and the middle dosage group could obviously be reduced (t = 8.970, 14.840, P < 0.01) as compared with the control. The activity of SOD seemed to be elevated according to the increase of I3C dosage [the values were (387.24 +/- 23.16) x 10(3) U/L, (399.37 +/- 34.45) x 10(3) U/L, (431.63 +/- 31.24) x 10(3) U/L, (476.45 +/- 44.67) x 10(3) U/L] (F = 53.444, P < 0.01). When compared with the control, the SOD activity of the middle and the high dosage group be obviously increased (t = 44.390, 89.210, P < 0.01). I3C could also elevate the GSHPx activity [the GSHPx values of the four groups were (226.98 +/- 18.35) x 10(3) U/L, (234.65 +/- 15.59) x 10(3) U/L, (247.72 +/- 22.73) x 10(3) U/L, (300.37 +/- 26.02) x 10(3) U/L] (F = 25.916, P < 0.01). The GSHPx of the high dosage group was enhanced remarkable (t = 73.390, P < 0.01) as compared with the control. The expression of cleaved caspase-3 (relative molecular weight = 19 000 000) seemed to be elevated according to the increase of I3C dosage and the relative expression levels of which were 0.87 +/- 0.01, 0.97 +/- 0.01, 1.02 +/- 0.06 and 1.14 +/- 0.02 (F = 39.864, P < 0.01). When compared with the control, the elevation of this kind of cleaved caspase-3 was considered statistical significant (the t values were 0.100, 0.086 and 0.303, respectively, P < 0.05). When I3C dosage increased, the expression of cleaved caspase-3 (relative molecular weight = 17 000 000) seemed to increased too [the relative expression levels of which were 0.00 +/- 0.00, 0.05 +/- 0.02, 0.11 +/- 0.02, 0.20 +/- 0.02 (F = 56.629, P < 0.01)], and the increase of this kind of cleaved caspase-3 was esteemed significantly as compared with those of the control (the t valued at 0.046, 0.103 and 0.193, respectively, P < 0.05). Linear correlate analysis showed that the correlation coefficients between the shrinkage of tumor volume and the expression of the two kinds of cleaved caspase-3 protein was -0.732 (t = 3.404, P < 0.01) and -0.901 (t = 6.642, P < 0.01).

CONCLUSIONI3C could reduce the growth of tumor, the mechanism underlie it could be related to the decrease of the content of MDA as well as the elevated levels of SOD, GSHPx, and perhaps could be related to the apoptosis transduced by cleaved caspase-3.

Animals ; Cell Line, Tumor ; Female ; Glutathione Peroxidase ; metabolism ; Humans ; Indoles ; pharmacology ; Male ; Malondialdehyde ; metabolism ; Mice ; Mice, Inbred BALB C ; Mice, Nude ; Nasopharyngeal Neoplasms ; drug therapy ; metabolism ; Neoplasm Seeding ; Oxidation-Reduction ; Superoxide Dismutase ; metabolism

AIMTo investigate the protective effects and mechanism of IPC on myocardial ischemia/reperfusion injury.

METHODSEffects of IPC on arrhythmia and coronary blood flow and the release of AST, CPK, LDH, SOD and LFO at different time after ischemia/reperfusion injury in rat Langendorff hearts were studied.

RESULTSIPC decreased the release of AST, CPK and LDH and increased myocardial SOD activity and decreased LPO level. IPC also inhibited ischemia/reperfusion arrhythmias and increased coronary blood flow.

CONCLUSIONThe results showed that IPC had well protective effects on myocardial ischemia/reperfusion injury.

Animals ; Female ; Heart ; physiopathology ; Ischemic Preconditioning, Myocardial ; methods ; Male ; Myocardial Reperfusion Injury ; prevention & control ; Rats ; Rats, Wistar