Animals ; Ear, Inner ; growth & development ; Mice ; MicroRNAs

0.05).Conclusion:People adjust the immunological function of B cells to normal level in blood donation plastochrone.These undoubtedly provide powerfully experimental data on the enlistment of volunter blood donation.

OBJECTIVETo search for a simple and effective surgical approach to the management of moderate to severe pediatric concealed penis in children.

METHODSWe used Devine's technique via incision between the penis and scrotum in the treatment of 68 cases of moderate to severe pediatric concealed penis. The patients were aged 3 -13 (mean 6.5) years, 30 with moderate and 38 with severe pediatric concealed penis.

RESULTSThis strategy achieved good near- and long-term effects and satisfactory appearance of the penis, which was similar to that of circumcision. At 3 months after surgery, the penile length was 3 - 5.2 cm, averaging (2.35 +/- 0.35) cm.

CONCLUSIONDevine's technique via incision between the penis and scrotum is a simple and effective surgical option for moderate to severe pediatric concealed penis in children.

Adolescent ; Child ; Child, Preschool ; Humans ; Male ; Penis ; abnormalities ; surgery ; Scrotum ; surgery ; Urologic Surgical Procedures, Male ; methods

According to the structure-activity relationships (SARs) of modafinil, a therapeutic drug of hypnolepsy, we designed and synthesized two series of compounds 2-[(diphenylmethane)sulfinyl] acetamides and 2-[(diphenylmethyl)thio] acetamides, and measured their biological activities. The target compounds (6a-6o) were synthesized beginning with diphenyl carbinol by substitution, oxidation, acylation and so on. Their structures were confirmed by ESI-MS, 1H NMR and elemental analysis. The central stimulatory effects of the target compounds were determined by the independent activity assay on mice. Compounds 6c, 6f and 6n have considerable activities, while the central stimulative effect of 6h is slightly better than the positive control modafinil.
Acetamides ; chemical synthesis ; chemistry ; pharmacology ; Animals ; Behavior, Animal ; drug effects ; Benzhydryl Compounds ; chemistry ; pharmacology ; Biphenyl Compounds ; chemical synthesis ; chemistry ; pharmacology ; Methane ; chemical synthesis ; chemistry ; pharmacology ; Mice ; Mice, Inbred ICR ; Random Allocation ; Structure-Activity Relationship ; Wakefulness-Promoting Agents ; chemical synthesis ; chemistry ; pharmacology

OBJECTIVETo detect the expression of proliferating cell nuclear antigen (PCNA) in severely damaged intestinal mucosa due to high-dose 5-FU exposure.

METHODSThirty-two adult C57BL/6J mice were subjected to daily intraperitoneal high-dose 5-FU injection at 150 mg/kg for 5 consecutive days, and on days 1, 3, and 5, the mice were sacrificed to obtain the small intestinal tissue for HE straining and immunohistochemistry for detecting PCNA expression. Another 8 mice with intraperitoneal PBS injection served as the control group.

RESULTSHigh-dose 5-FU exposure of the mice resulted in severe intestinal mucous damage, with complete destruction of the villi and crypts and significantly increased cells positive for PCNA expression (P<0.01).

CONCLUSIONHigh-dose 5-FU treatment can significantly increase the PCNA index, and the cells expressing PCNA can be closely associated with regeneration of the severely damaged mucosa due to the exposure.

Animals ; Antimetabolites, Antineoplastic ; adverse effects ; Fluorouracil ; adverse effects ; Intestinal Mucosa ; drug effects ; metabolism ; pathology ; Intestine, Small ; drug effects ; metabolism ; pathology ; Mice ; Mice, Inbred C57BL ; Proliferating Cell Nuclear Antigen ; metabolism

OBJECTIVETo study hPARP1 genetic polymorphism in southern Chinese Han and Miao populations.

METHODSBlood samples from 187 and 210 southern healthy Han and Miao populations were collected. The mutations of exons 12,13,16 and 17 of hPARP1 gene were investigated by PCR-single-strand conformation polymorphism(SSCP).

RESULTSFragments of 253 bp,313 bp,175 bp,362 bp within exons 12,13,16 and 17 respectively of hPARP1 gene were amplified by multiple PCR. An SSCP variant in exons 12,13,16 and 17 of PARP1 gene in 187 healthy Han and 210 healthy Miao individuals was identified. Seven single-base substitutions compared with the sequence of PARP1 gene were identified: a T to C transition in exon 12 (Phe548Ser), a G to T transition in exon 13 (Ala683Ser), a G to T transition in exon 16 (Asp798Tyr), and a A to G transition in exon 17 (His808Arg).

CONCLUSIONThere were polymorphism sites in exons 12,13,16,17 of hPARP1 gene in southern Chinese Han and Miao populations; these results may be useful for the establishment of PARP1 genotyping, and these newly described PARP1 alleles would be advantageous indicators for population studies.

Adult ; Alleles ; China ; Exons ; genetics ; Female ; Gene Frequency ; Genotype ; Humans ; Male ; Poly (ADP-Ribose) Polymerase-1 ; Poly(ADP-ribose) Polymerases ; genetics ; Polymerase Chain Reaction ; Polymorphism, Single Nucleotide ; genetics ; Polymorphism, Single-Stranded Conformational

OBJECTIVETo investigate whether or not adaptive response of hPARP-1 protein normal and deficient cells is induced by low dose of hydroquinone (HQ), and to analyze the relationship between the adaptive response and micronuclei formation, and cell cycle alteration in human embryo lung fibroblasts (HLF), so as to elucidate the mechanism of adaptive response.

METHODSHLF, HLFC and HLFP cells pretreated with low concentration were retreated by high concentration of HQ. Cellular viability, the rate of micronuclei and abnormal nuclei, cell cycle and DNA strand break were determined.

RESULTSThe tolerance to 80.0 micromol/L concentration of HQ was enhanced when HLF, HLFC and HLFP cells were pretreated with HQ from 0.001 - 0.050 micromol/L. There were varying degrees of micronuclei and abnormal nuclei in three cells pretreated with low concentration of HQ and then retreated with high concentration of HQ; the cell numbers of G1, G2, S phase in cell cycle were obviously different. When compared with only high attack dose, the micronuclei rate and abnormal nuclei rate of HLF, HLFC and HLFP decreased by pretreatment with HQ at high concentration (P < 0.05), meanwhile increased by pretreatment with HQ at low concentration (P < 0.05). HLF, HLFC and HLFP showed blockage in G2 phase when pretreated with HQ at 0 approximately 0.05 micromol/L, but HLFP showed blockage in G1 phase, and in S phase at 1.0 and 2.0 micromol/L.

CONCLUSIONThe level of adaptive response of hPARP-1 protein deficient cells was lower than normal cell, suggesting that hPARP-1 protein may play an important role in the adaptive response of cells, which may be related with the regulation of cell cycle.

Cell Cycle ; Cell Nucleus ; Cell Survival ; Cells, Cultured ; Dose-Response Relationship, Drug ; Fibroblasts ; cytology ; drug effects ; metabolism ; Humans ; Hydroquinones ; toxicity ; Lung ; cytology ; Poly (ADP-Ribose) Polymerase-1 ; Poly(ADP-ribose) Polymerases ; metabolism

OBJECTIVETo explore the changes of metastatic potential of residual hepatocellular carcinoma (HCC) after in vivo chemotherapy and its mechanism.

METHODSNude mouse models of orthotopic HCC in the nude mouse livers was established using human hepatocellular carcinoma cell line MHCC97L cells. Oxaliplatin (10 mg/kg, once per week) was administered intraperitoneally (i.p.) to mice in the trial group. Mice in the control group received 0.2 ml of 0.9% sodium chloride on the same days. On day 7 after the third injection, all mice were sacrificed and tumor fragments of equal volume (2 mm×2 mm×2 mm) from each mouse of the oxaliplatin-treated and untreated groups were reinoculated into the livers of each new recipient mouse correspondingly. The growth, metastasis and molecular phenotype of the reinoculated tumors in both groups were determined.

RESULTSIn the new recipient mice, compared with untreated tumors, oxaliplatin pre-treated tumors grew significantly slower [(2624.59 ± 491.60) mm(3) vs. (3849.72 ± 827.09) mm(3), P < 0.001], but gave more spontaneous metastasis to the lung (10/12 vs. 3/12, P = 0.012). A decreased expression of E-cadherin and increased expression of N-cadherin, vimentin and transcription factor Snail were detected in the oxaliplatin pre-treated tumors by immunohistochemistry, which provided the evidence of epithelial mesenchymal transition (EMT) in these tumors.

CONCLUSIONResidual hepatocellular carcinomas after in vivo chemotherapy grow slower but gain enhanced metastatic potential to the lung, associated with epithelial mesenchymal transition.

Animals ; Antineoplastic Agents ; therapeutic use ; Apoptosis ; drug effects ; Cadherins ; metabolism ; Carcinoma, Hepatocellular ; drug therapy ; metabolism ; secondary ; Cell Line, Tumor ; Epithelial-Mesenchymal Transition ; Humans ; Liver Neoplasms ; drug therapy ; metabolism ; pathology ; Lung Neoplasms ; drug therapy ; secondary ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Nude ; Neoplasm Metastasis ; Neoplasm Transplantation ; Neoplasm, Residual ; drug therapy ; metabolism ; secondary ; Organoplatinum Compounds ; therapeutic use ; Snail Family Transcription Factors ; Transcription Factors ; metabolism ; Tumor Burden ; Vimentin ; metabolism ; Xenograft Model Antitumor Assays

Objective: To compare the risk angle and safety angle of needling Yamen (GV 15) between the atlanto-axial dislocation (AAD) patients and healthy subjects. Methods: A total of 177 AAD patients diagnosed and treated at the Center of Upper Cervical Vertebra of Beijing China-Japan Friendship Hospital between January 2010 and January 2018 were included in the AAD group. Another 207 healthy subjects were included in the normal group. There were totally 191 males and 193 females. The MRI scan was performed for the cervical vertebrae to measure the risk angle and safety angle of acupuncture at Yamen (GV 15) on the sagittal image. Results: In the AAD group, the risk angle was (13.14±3.99)° and the relative safety angle was (10.31±3.23)° for the perpendicular needling, while the oblique needling risk angle was (9.09±3.09)° for the male; the risk angle was (12.12±2.74)° and the relative safety angle was (10.56±2.09)° for the perpendicular needling, while the oblique needling risk angle was (9.70±2.95)° for the female. In the normal group, the risk angle was (7.89±1.59)° and the relative safety angle was (10.21±3.55)° for the perpendicular needling, while the oblique needling risk angle was (16.07±1.77)° for the male; the risk angle was (6.93±1.45)° and the relative safety angle was (10.70±2.94)° for the perpendicular needling, while the oblique needling risk angle was (14.89±2.18)° for the female. The perpendicular needling risk angles for the males and females in the AAD group were larger than those in the normal group, and the differences were statistically significant (bothP<0.01); for the inner-group comparison, there was no significant difference in the perpendicular needling risk angle between the male and the female in the AAD group (P>0.05); however, the perpendicular needling risk angle for the male was larger than the female, and the difference was statistically significant in the normal group (P<0.01). There were no significant differences in the relative safety angle for both the male and the female between the AAD group and the normal group (bothP>0.05). For the inner-group comparison, there was no significant difference in the relative safety angle between the male and the female (P>0.05). The oblique needling risk angles for both the males and females were smaller in the AAD group than those in the normal group, and the differences were statistically significant (bothP<0.01); the oblique needling risk angle for the male was not significantly different from that for the female in the AAD group (P>0.05); in the normal group, the oblique needling risk angle for the male was larger than that for the female, and the difference was statistically significant (P<0.01). Conclusion: Under the AAD condition, the risk angle and safety angle of acupuncture at Yamen (GV 15) change significantly, perpendicular needling should be better if performed slightly lower than the horizontal direction, and the oblique needling should be safer across the occipital foramen toward the occipital bone.

Objective To explore the application efficacy of artificial nose in CCU patients with tracheal intubation.Methods Totals of 62 patients with tracheal intubation were randomly divided into the group of artificial nose and group of electrothermal and constant temperature moist,then the sputum viscosity,irritating cough,airway administration hours,average intubation time,consumables costs,and the incidence of ventilator-associated pneumonia in two groups were observed and compared.Results In artificial nose group,the incidence of irritating cough was28.1％,the incidence of ventilator-associated pneumonia was 15.6％,airway administration hours was( 2.3 ± 0.5 ) h,average intubation time was ( 112 ± 6.5 ) h,consumables costs was (44.2±6.7)yuan all better than that of electrothermal and constant temperature moist group,which was 71.9％,37.5％,( 3.5 ± 0.6 ) h,( 133 ± 7.8 ) h,and ( 56.3 ± 1.5 ) yuan,respectively,differences were statistically significant ( x2 =12.25,3.925 0; t =8.660 5,11.699 8,8.212 9,respectively; P ＜ 0.01 or P ＜0.05).Sputum viscosity status of artificial nose group was that Ⅰ grade 12.5％,Ⅱ grade 62.5％,Ⅲ grade 25.0％,whilethat of electrothermal and constant temperature moist group was 46.9％,25.0％,28.1％,respectively,and the differences was statistically significant ( x2 =11.559 0,P ＜ 0.01 ).Conclusions Artificial nose using in patients with endotracheal intubation can achieve the desired efficacy of airway humidification,improve the efficacy of airway administration,save energy and time and significantly reduce the incidence of ventilator-associated pneumonia,which likely to be generally used in clinical.