Cancer stem cells (CSC) have been defined as an unique subpopulation in tumors that possess the ability to initiate tumor growth and sustain tumor self-renewal. The tumor stem cell model proposes that tumor stem cells are the origin of most tumors. Accompanying with further extension in the investigation of cancer stem cells, the effects of niche that serves as'their microenvironment in tissue on the functions of cancer stem cells attract more and more attention, which plays important roles in maintaining the characteristics of cancer stem cells. It is essential to understand how cancer stem cells interact with their microenvironment. Although the evidence has been provided to support the existence of CSCs in various solid tumors, the identity of gastric CSCs has not been reported. In this review, we will examine gastric cancer stem cell niches and their impact on stem cell biology. The research on gastric cancer stem cell will provide new approaches for improved understanding of gastric cancer biology and gastric cancer treatment.

OBJECTIVE:To observe therapeutic efficacy of citalopram in the treatment of post-stroke depression. METHODS:126 post-stroke depression patient were selected and randomly divided into observation group and control group with 63 cases in each group. Control group was given routine treatment of nervous system drugs;observation group was given citalopram,20 mg, qd,after breakfast,on the basis of control group.They were given relevant medicine for consecutive 2 months. The mental status, the levels of plasma substance P (SP),plasma adrenocorticotropic hormone releasing hormone (CRH) plasma neuropeptide Y (NPY),rehabilitation compliance were observed in 2 groups before and after treatment. RESULTS:After treatment,HAMD and NIHSS score of observation group were decreased obviously,and lower than control group, with statistical significance (P<0.05);MMSE score of observation group increased significantly,and higher than control group,with statistical significance(P<0.05). After treatment,SP and CRH levels of observation group were decreased significantly,and lower than control group;NPY level increased significantly and higher than control group,with statistical significance(P<0.05). After treatment,complete com-pliance of observation group (71.43%) was obviously higher than that of control group (49.21%),with statistical significance (P<0.05). The maximum effect of observation group was significantly better than that of control group,with statistical signifi-cance(P<0.05). CONCLUSIONS:Citalopram in the treatment of post-stroke depression can significantly improve the patients' de-pression,nervous function and rehabilitation compliance of patient,showing significant therapeutic efficacy.

Object To establish and optimize the technology of clonig rapid propagation by tissue culture in Scutellaria baicalensis Georgi for the protection and development of nature resource as well as seeking for new breeding way of S. baicalensis by biotechnology. Methods Research on the optimized technology of tissue culture including callus inducing, differentiation, plantlet propagation, and rooting were designed. Results Callus could be induced from nodes and internodes easily with 100% inducing rate compared with that from leaves. PP 333 has significant stocky effect to the plantlets. Conclusion The nodes are good explant source in inducing callus. PP 333 in certain concentration which is added to culture media could improve and regulate the differentiation of callus and growth of plantlets as well as increase the survival rate of cultivated seeding.

Retinoblastoma (RB) therapy has evolved over decades.In the 1970s, enucleation was important for improving life prognosis.In the 1980s, external beam radiotherapy (EBRT) was popular.In the 1990s, systemic intravenous chemotherapy (IVC) was introduced and currently remains prevalent worldwide for intraocular RB control as well as prevention of systemic metastasis.However, RB seeds in vitreous and subretinal space are still the major obstacles for successful treatments.Advanced ophthalmic imaging technology promotes thorough and detailed description and observation of RB seeds.In the 2000s, interests in periocular chemotherapy (POC), intra-arterial chemotherapy (IAC) and intravitreous chemotherapy (IVitC) have been explored to overcome the low drug concentration around the seeds and to reduce the systemic side effects.This leads us into a new era of target local chemotherapy of RB.How to make the treatment decision based on biological behavior of RB seeds is a major task for us now.

Objective: To evaluate the effectiveness of family interventions among children with allergic rhinitis receiving immunotherapy, so as to provide insights into improvements of allergic rhinitis treatment. Methods: A total of 80 children with allergic rhinitis admitted to The First People's Hospital of Linping District from July 2018 to July 2021 were enrolled and randomly assigned into the control and intervention groups, of 40 participants in each group, and all children underwent immunotherapy. Children in the control group received routine interventions, while participants in the intervention group were given family interventions for 3 months, including health education, psychological counseling, and periodical follow-up. Parental awareness of allergic rhinitis was investigated using self-designed questionnaires, and the compliance to immunotherapy was evaluated. The clinical symptoms were evaluated using the symptom scores and the Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ), and the prognosis was evaluated using the Sino-Nasal Outcome Test-20 (SNOT-20). Results: There were no significant differences between the intervention and control groups in terms of gender, age, course of disease or disease severity (P>0.05). The scores for parental awareness of etiology [(9.56±0.25) vs. (7.45±0.85)], inducement factor [(8.84±0.62) vs. (6.76±1.36)], medication management [(9.56±0.25) vs. (7.97±0.85)] and daily life management of allergic rhinitis [(9.14±0.55) vs. (8.14±0.46)] were significantly higher in the intervention group than in the control group (P<0.05). The proportion of participants' compliance to immunotherapy was significantly higher in the intervention group than in the control group (92.50% vs. 75.00%, P<0.05). The scores for clinical symptoms [(3.12±0.94) vs. (3.96±1.23)], RQLQ score [(3.31±0.87) vs. (3.87±1.02)] and the SNOT-20 scores for nasal symptoms [(6.54±2.14) vs. (8.22±2.45)], sleep disorders [(4.11±0.58) vs. (5.24±1.03)], associated symptoms [(5.29±1.52) vs. (6.34±2.01)] and emotional consequences [(7.52±1.85) vs. (9.19±2.69)] were significantly lower in the intervention group than in the control group post-interventions (P<0.05). Conclusion Family interventions are effective to improve the compliance to immunotherapy, clinical symptoms, prognosis and quality of life among children with allergic rhinitis

Objective To evaluate the value of uhrasonography in diagnosing the occult dorsal carpal ganglion. Methods Sixteen patients with chronic dorsal wrist pain received ultrasound examination. Eleven ofthem were treated with surgical therapy. And they were followed up for 1-8 months. Results The ultrasound characteristics of oecuh dorsal carpal ganglion were depicted as follows;①The dorsal cortical bone of scaphoid and lunate was continued and without damage. ② An oval anecho lesion with clear boundany, smooth ganglion wall, lateral shandowing and posterior enhancement could be detected in the dorsal part of scapholunate joint. ③Color Doppler flow imaging showed there was not obvious blood flow signals inside and around the ganglion. Conclusions Uhrasonography could be acted as a routine examination technique after the X-ray examintion in the diagnosis of the the occult dorsal carpal ganglion.

Objective To detect the genetic association between schizophrenia and rs1042724,rs384470 polymorphism at nucleotide of the nicotine-like acetylcholinergic receptor gene. Methods Observed in a sample of 98 parent/offspring trios where the proband net the American Classification and diagnostic Criteria for Mental Disorders. The Forth Revised Edition, criteria for schizophrenia using transmission/disequilibrium test(TDT) analysis. The polymorphism of nicotine-like acetylcholinergic receptor gene was detected with PCR methods and SNP typing in all nucleus families. Results Using a family-based association design we obtained evidence of an association between schizophrenia and allele of the rs1042724 polymorphism in the nicotine-like acetylcholinergic receptor gene(RR=1.31,2 (RR)=3.96,P＜0.05). Moreover the fact that transmission disequilibrium was observed when one affected offspring was selected at random from each family, suggesting that the results are due to association(McNemar 2 = 4.21,P＜0.05). There is no association between schizophrenia and rs1042724 polymorphism in the nicotine-like acetylcholinergic receptor gene (McNemar 2 =2.34,P＞0.05). Conclusion It shows an association between schizophrenia and the rs1042724 polymorphism at nucleotide of the nicotine-like acetylcholinergic receptor gene in Chinese.

Objective To investigate the association between intima-media thickness (IMT) and free fatty acids (FFA) in hypertensive patients with metabolic syndrome (MS). Methods IMT, FFA and body mass index (BMI) were measured in 69 hypertensive patients with metabolic syndrome (MS group) ,57 hypertensive patients without metabolic syndrome ( Non-MS group) ,and 50 healthy controls ( NC group). Results In the MS group,The BMI, serum levels of triglyceride (TG), fasting blood glucose (FPG) and FFA were ( 26.0 ± 2.1 ) kg/m2, (24.0 ±0.81 ) mmol/L and (5.64 ± 0.82) mmol/L respectively, which were significantly higher than those in the Non-MS group ( (24.9 ± 2.3 ) kg/m2, ( 1.93 ± 0. 55 ) mmol/L and ( 5.10 ± 1.08 ) mmol/L respectively ) and the NC group ( (23.6 ± 1.6), ( 1.49 ± 0.36) mmol/L and (4.70 ± 0.90) mmol/L respectively) ( F = 20.06, 30.96 and 15.17,P ＜0.05 or 0.01 ). FFA in the MS group ((562.11 ± 55.12)μmol/L) were significantly higher than that in the Non-MS group (402.65 ± 49.53 ) μmol/L) and the NC group ( ( 356.23 ± 45.93 ) μmol/L) ( F = 277.28, P ＜0. 01 ). IMT in the MS group, Non-MS group and NC group were (1. 10 ± 0. 13 )mm, (0. 82 ± 0. 12 )mm and (0.70 ± 0.11 ) mm, respectively, with significantly difference ( P ＜ 0. 01 ). In addition, the incidence of thickening was 28.99% (20/69), 17.54% ( 10/57 ) and 2.00% ( 1/50 ), respectively, with significantly difference ( P ＜0.01 ). Conclusions Serum level of FFA is associated with IMT in hypertensive patients with metabolic syndrome.

Objective To evaluate the efficacy of thymosin ɑ1 combined with arsenic trioxide in the treatment of advanced primary liver cancer (PLC).Methods A total of 59 patients with advanced PLC who were admitted to Jiangyan Hospital of Traditional Chinese Medicine from July 201 1 to July 2014 were divided into two groups:control group and combination therapy group.The two groups were given symptom-atic and supportive treatment to protect the liver.In addition,29 cases in the control group were treated with arsenic trioxide,while 30 cases in the combination therapy group were administrated with thymosin ɑ1 combined with arsenic trioxide.Comparison of continuous data be-tween the two groups was made by independent-samples t test,and comparison of categorical data was made by chi-square test.Results There was a significant difference in clinical benefit rate between the control group and the combination therapy group (37.9% vs 66.7%,χ2 =4.88,P<0.05).The combination therapy group had significantly higher improvement rate of the quality of life (63.3%vs 37.9%,χ2 =3.81,P<0.05)and the pain remission rate (76.7%vs 44.8%,χ2 =6.28,P<0.05)than the control group.The levels of alpha fetal protein,carcinoembryonic antigen,carbohydrate antigen 199,and gamma glutamyl transpeptidase decreased in both groups,and the combination therapy group had significantly higher decreases in these indices than the control group (P<0.05).The combination thera-py group had significantly increased percentages of CD3 +and CD4 +T cells and CD4 +/CD8 +ratio (P<0.05)and a significantly reduced percentage of CD8 +T cells (P<0.01)after treatment.However,there was no significant difference in toxic or side effects between the two groups.Conclusion For patients with advanced PLC,the combination of thymosin ɑ1 and arsenic trioxide can improve the quality of life and the immune function of patients,and no obvious toxic or side effects are found.So it holds promise for clinical application.

Objective To investigate the effect and safety of patients with diclofenac sodium lidocaine analgesia after endoscopic opera-tion. Methods One hundred patients with the implementation of nasal endoscopic treatment in our hospital from August 2012 to June 2014 were randomly divided into observation group and control group with 50 cases in each group. The observation group were injected the diclofe-nac sodium lidocaine,which compared with the control group given fentanyl through a vein for postoperative analgesia with analgesia effect and safety. Results The differences of HR,SBP,DBP,MAP indicators were not significant between and within groups (P>0. 05) with immedi-ately after operation, postoperative 24 h,48 h after surgery. There was no significant difference on the VAS score between the inmmediately after the operation process and compared to the control group (P>0. 05). The observation group with the immediate postoperative VAS score decreased significantly compared with that of the control group after 1 h,4 h,8 h,16 h,24 h,48 h of the surgery,while the observation group VAS scores were significantly lower than that of the control group (P<0. 05). The observation group in analgesia occurred in 6 cases of ad-verse reactions ( 12%) was significantly lower than that of 16 cases of the control group ( 32%) , and the difference was significant (P<0. 05). Conclusion Better effect and low incidence rate of adverse reaction is showed that diclofenac sodium lidocaine analgesia of patients with nasal endoscopic operation.