This article presents a technique of chromosome analysis which are prepared from human endometrium directly. The success rate was 40.3%. It was shown that there was no statistical significant differences between mitotic index of prolifera-tive and secretory phases. The same study had been carried out in women before and had been taking clomiphene for 3 cycles and 6 cycles. And also no detectable mutagenic, and no carcinogenic effects on endometrium were found

BACKGROUND:With increasing freeze-drying time,the water content of allogeneic bone reduces along with the bone mechanical strength.The suitable dehydration degree that maintains mechanical strength of allogeneic bone and allows long-term preservation at room temperature remains controversial.OBJECTIVE:To detect the mechanical properties of bovine bone nail following different degrees of dehydration using the three-point bending mechanics tests.DESIGN,TIME AND SETTING:Biomechanical analysis,comparative observation.The experiment was performed at the Mechanical Laboratory of Southern Medical University between May 2007 and May 2008.MATERIALS:Bone nails,50 mm length and 3 mm diameter,made from healthy adult bovine femoral cortical bone were divided into control and freeze-drying groups (8,12,24 hours,respectively) with 20 samples in each group.METHODS:The water content of bone nails with or without freeze-drying was measured by SH10A Moisture Quick Determination Meter.Three-point bending mechanics tests were performed using MTS 858 Mini Bionix.The parameters included load range 0-2000 N,resolution 0.01 N,cross beam replacement resolution 0.001 mm,span 50 mm and loading speed (cross beam replacement speed) 2 mm/min.MAIN OUTCOME MEASURES:Water content,maximal load and elasticity load.RESULTS:The water content of control group was 7%-9%,and following freeze-drying for 8 hours,the water content was 5.5%-6%,which met the standard of freeze-drying bone;Compared with control group,the maximal load and elasticity load reduced respectively 0.004% and 0.000 8% (P＞0.05).Following freeze-drying for 12 and 24 hours,the water content was 3.5%-4% and 1%-1.5%;the maximal load reduced 21% and 37% and the elasticity load reduced 22.5% and 39% compared with control group (P＜0.05).CONCLUSION:Freeze-drying for 8 hours is the best time of dehydration.The mechanical load and elastic modulus reduce with increasing freeze-drying time.

Objective To investigate the possible mechanisms of ox-LDL on vascular smooth muscle cells (VSMC) with and without exogenous zinc finger protein A20 gene. Methods VSMC were trans-fected with plamid containing A20 gene and incubated with ox-LDL. TLR4 and LOX-1 mRNA expression were measured by RT-PCR. Results After VSMC incubated with ox-LDL, the expression of LOX-1 and TLR-4 mRNA reached a higher level. However, when VSMC were transfected with plasmid containing A20 gene, the NF-kB nuclear translocation and the ability of migration reduced to normal level. Conclusions ox-LDL can significantly activate NF-kB signaling system and enhance migration in VSMC. The activation may induce the inflammatory response in arterial wall, the migration of VSMC to the intima, and triggering the process of atherosclerosis. Transfecting plasmid containing A20 gene significantly inhibited the activation of NF-kB and the ability of migration of VSMC. A20 effects might be through inhibiting NF-kB signaling. Meanwhile, A20 blocked the development of atherosclerosis.

The Present study designed according to AOAC is conducted to evaluate the practical protein quality of the porcine blood solely and mixed with other dietary proteins.Proximate analysis shows the average contents of crude protein and water in the spray-drying porcine blood are 85.0% and 12.0% respectively.The porcine blood protein is scant of Isoleucine (0.5%) and its Leu/Ile ratio is as high as 26. The amino acid pattern results in poor protein quality of the porcine blood, with BV, NPU and NPR value being only 16.5, 15.5 and 0 respectively. Therefore diets containing porcine blood as a sole source of protein can not maintain the normal body weight of rats.But porcine whole blood protein is rich in Lysine (7.8%) . When the spray-drying porcine blood is mixed with the wheat flour in proportion of 3%, the protein quality of the mixed dietary protein comparing with either of its constitutional proteins, is improved remarkably and its nutritive parameter values (BV:73.3, NPU: 61.8, PER: 2.46, Calbrated PER:1.9 and NPR: 4.3 respectively) are higher than those of the wheat flour protein (BV: 55.3, NPU: 46.6, PER: 1.01, Calibrated PER: 0.8 and NPR: 3.1 respectively).

How to handle the relationship between doctors and patients is currently a hot spot of society. The author first expounds the fundamental propositions in the theories of the science of value. Then, using the theories of the science of value, he first describes the relationship between the object and subject of value, viz. who comes first, the patients or the staff, arguing that in the mind of the hospital director there should always be an unbiased balance of value benefiting both sides. Then he describes the realistic form in which value exists, viz. which is more important, the value of utility or the value of effectiveness, arguing that the hospital director should lay equal emphasis on the staffs value of utility and the patients value of utility, thus satisfying both sides. Thirdly, the author describes value accounting and the cost of value, viz. the dual unity of the values of effects and effectiveness, arguing that creating value while paying cost indicates the dual nature of the practice of hospital administration. Hence the need to lower cost as much as possible and create greater value.

Neutrophil gelatinase associated lipocalin(NGAL),also known as lipocalin 2,has close relationship with human neoplasias,which is up-regulated in a number of malignancy and involves in the process of tumor development.But it appears to exist paradoxical effects attributed to NGAL in human neoplasias.For instance,through protecting MMP9 from autodegradation,NGAL has a clear pro-tumoral and pro-metastatic effect,as has already been observed in breast cancer and esophageal cancer.However,on the contrary,for pancreatic cancer and ovarian cancer,NGAL can inhibit FAK phosphorylation and vascular epidermal growth factor synthesis,having an anti-tumoral and anti-metastatic effect.This review summarizes the current knowledge about the dual effects of NGAL in the process of tumor development,and attempts to explore the possible underlyins mechanism.

Adult ; China ; epidemiology ; Congenital Abnormalities ; epidemiology ; Female ; Humans ; Incidence ; Infant, Newborn ; Maternal Age ; Pregnancy ; Time Factors

Apoptosis ; Child ; Cytokines ; immunology ; secretion ; Humans ; Systemic Inflammatory Response Syndrome ; immunology ; therapy

Objective To discuss the reasonable utilization of β-lactam antibiotics in patients with renal failure on hemedialysis. Methods The clinical characteristics of patients with renal failure on hemodylysis,who de-veloped the adverse effect of nervous system and psychiatric symptom while being treated with β-lactam antibiotics,were retrospectively analyzed. Results The adverse effect of nervous system and psychiatric symptom showed dur-ing and after hemodialysis,including: mental confusion,hyperexcitabiliy,incoherent speech,lethargy and amyestasia in two cases. Physical examination did not show signs of cerebral focal injury in all cases. Computed tomography of brain in 7 patients did not show acute lesions. The symptoms completely disappeared after withdrawal of β-lactam antibiotics but bemodialysis or hemodiafiltration continued. Conclusion β-lactam antibiotics used in conventional dose could cause temporary adverse effect of nervous system in patients with renal failure on bemodialysis,which is related to prolongation of drug half life.

Objective:To explore the nursing efficacy of 321 health education model on maintenance hemodialysis patients with itchy skin.Methods:A total of 97 cases of maintenance hemodialysis patients with itchy skin from January 2019 to December 2019 in the Central Hospital of Panzhihua were divided into control group of 49 cases and study group of 48 cases by table of random number. The patients in control group were taken with conventional nursing and health propaganda measures while the patients in study group accepted a different nursing mode of combining 321 health education model. The Chinese version of the Four-Item Itch Questionnaire (FIIQ), the Chinese version of the Dermatology Life Quality Index (DLQI), and the Chinese version of the Kidney Disease Questionnaire (KDQ) were used to evaluate the skin itchy status and its influences to patients′ life and life quality of the 2 groups before and after intervention.Results:There was no significant difference in the skin itchy status and its influences to patients′ life and life quality before intervention between the two groups( P>0.05). After intervention, the total score of FIIQ, and the scores of the three dimensions of itchy degree, itchy frequency, and influences on sleep were respectively (7.46 ± 0.94), (1.83 ± 0.26), (1.92 ± 0.29), (1.86 ± 0.23), which were all lower than the same data of the control group patients: (12.36 ± 1.24), (2.69 ± 0.31), (3.02 ± 0.42), (2.91 ± 0.37), showing differences with statistical significance ( t values were 14.79-21.90, P<0.05). After intervention, the total score of the DLQI, and the scores of five dimensions of symptom perception, daily life, entertainment and leisure, work and study, and treatment of the patients in study group were respectively (10.55 ± 1.27), (2.85 ± 0.29), (2.11 ± 0.32), (2.47 ± 0.29), (1.72 ± 0.25), and (2.21 ± 0.27), which were all lower than the same data of patients in control group: (14.47 ± 1.78), (3.92 ± 0.37), (1.57 ± 0.22), (1.64 ± 0.25), (1.26 ± 0.18), (1.21 ± 0.11), indicating statistically significant difference ( t values were 9.67-23.80, P<0.05). After intervention, the total score of KDQ and the scores of the four dimensions of physical symptoms, fatigue, depression, and frustration of the patients in study group were respectively (121.66 ± 15.91), (27.36 ± 3.02), (24.44 ± 3.44), (26.71 ± 3.58), and (19.28 ± 2.66), which were all higher than the same data of patients in control group: (108.38 ± 14.69), (24.51 ± 2.64), (22.60 ± 3.41), (22.45 ± 3.47), (14.92 ± 2.04), presenting differences with statistical significance ( t values were -9.07 - -2.65, P<0.05). Conclusions:For maintenance hemodialysis patients with itchy skin, the nursing intervention by 321 health education model can effectively ease the itchy skin problem, relieve the impact of itchy skin on patients' lives, and improve the life quality of patients.