Objective To evaluate the expression and significance of survivin and PCNA in human colorectal carcinoma. Methods Using in situ hybridization and immunohistochemistry(S-P method) respectively to detect survivin mRNA, and survivin and PCNA proteins in 64 cases of colorectal carcinoma. Results The survivin expression wasn't detected in the tumor adjancent tissues. The positive rate of survivin mRNA and protein expressions was 53% and 53% respectively, which was significantly associated with the histological type and lymph node metastasis of colorectal carcinoma (P

OBJECTIVETo observe the effects of acupuncture combined withgranule on breast tissue, prolactin(PRL) and prolactin receptor (PRLR) expression in rats with mammary gland hyperplasia (MGH), and to explore its action mechanism to provide reference for clinical treatment of MGH.

METHODSFifty-five female SD rats were randomly divided into a blank group, a model group, an acupuncture group, a Rule granule group and a combination group. Except the blank group, the rats in the remaining groups were treated with combined stimulation of estrogenic and progestational hormone to establish MGH model. After model establishment, the rats in the acupuncture group were treated with acupuncture at Plan A of "Tianzong" (SI 11), "Ganshu" (BL 18), "Zusanli" (ST 36) and Plan B of "Wuyi" (ST 15), "Hegu" (LI 4), "Danzhong" (CV 17). Each plan was selected for one acupuncture treatment, and two plans were used alternately. The rats in the Rule granule group were treated with oral administration of granule, 3 mL per times. The rats in the combination group were treated with the samegranule, followed by acupuncture, once a day. After consecutive 30-day treatment, blood sample was collected from abdominal aorta; ELISA method was applied to measure the contents of PRL; the HE slice of mammary gland was observed under light microscope; the SABC immunohistochemical method was applied to measure the positive expression of PRLR.

RESULTSThe morphology of breast tissue in the model group was consistent with MGH. Compared with the blank group, the serum PRL and the expression of PRLR were increased significantly in the model group (both<0.01). Compared with the model group, the hyperplasia of mammary gland in each treatment group was improved, and serum PRL and expression of PRLR were significantly reduced (<0.05,<0.01), which were more significant in the combination group (both<0.05).

CONCLUSIONAcupuncture,granule and its combination could effectively treat MGH, which is likely to reduce the level of serum PRL and inhibit the binding of PRL to PRLR, as a result, the level of Eis indirectly inhibited, and the hyperplastic mammary gland is recovered. Compared with acupuncture orgranule, the combination of both has better overall efficacy.

Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death worldwide and hepatitis B virus (HBV) infection is one of most important risk factors for HCC. The development of HBV-related HCC involves a complex interaction between host and virus, and related risk factors include HBV viral load, HBeAg, and host susceptibility. Screening methods for HCC include radiological examination such as ultrasound and serological markers such as α-fetoprotein, and protein induced by vitamin K antagonist-II and alpha-fetoprotein (AFP) variants may help with the diagnosis of AFP-negative HCC. Appropriate measures such as HBV vaccination and antiviral therapy can help to prevent HCC. The long-term goal of antiviral therapy for chronic hepatitis B is to reduce complications such as liver cirrhosis and HCC. nucleos(t)ide analogues can effectively inhibit replication of virus, but they cannot eradicate covalently closed circular DNA in the nucleus of hepatocytes. There is still an urgent need for a cure for hepatitis B. This article reviews the epidemiology, risk factors, screening methods, and preventive strategies for HBV-related HCC.

Objective To investigate the effect of Yipi Yanggan prescription on the malignant transformation of liver stem cells in liver precancerous lesion induced by diethylnitrosamine (DEN) and its possible molecular mechanism. Methods A total of 35 male Sprague-Dawley rats were randomly divided into normal control group (blank group), DEN model group (model group), DEN+Yipi Yanggan prescription group (Yipi Yanggan prescription group), and DEN+Hugan tablet group (Hugan tablet group), with 5 rats in the blank group and 10 rats in the other three groups. Intraperitoneal injection of DEN was performed to establish a model of liver precancerous lesion, the rats were sacrificed after 16 weeks of administration. The serum levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), and albumin (Alb) were measured; liver tissue was collected to observe the changes in size and appearance and calculate liver weight ratio (liver index); HE staining and Sirius Red staining were used to observe the pathological and morphological changes of rat liver tissue; immunohistochemistry was used to measure the expression of OV6 and glutathione S-transferase-Pi (GST-Pi); RT-PCR was used to measure the mRNA expression of EpCAM, CD133, and CD90, and Western blot was used to measure the protein expression of PI3K, Akt, and mTOR and their phosphorylation level. A one-way analysis of variance was used for comparison between multiple groups, and the least significant difference t -test was used for further comparison between two groups. Results Compared with the model group, the Yipi Yanggan prescription group and the Hugan tablet group had significant improvements in liver pathology and morphology, significant reductions in liver index and the levels of ALT and AST, and a significant increase in the level of Alb (all P < 0.05), as well as significant reductions in the protein expression levels of GST-Pi, OV6, p-PI3K, p-Akt, and p-mTOR and the mRNA expression levels of EpCAM, CD133, and CD90 (all P < 0.05). Compared with the Hugan tablet group, the Yipi Yanggan prescription group showed a more significant protective effect on the liver, with significant reductions in liver index and the levels of ALT and AST, and a significant increase in the level of Alb (all P < 0.05), as well as significant reductions in the protein expression levels of GST-Pi, OV6, p-PI3K, p-Akt, and p-mTOR and the mRNA expression levels of EpCAM, CD133, and CD90 (all P < 0.05). Conclusion Yipi Yanggan prescription can improve liver precancerous lesion induced by DEN in rats by inhibiting the malignant transformation of liver stem cells, and its mechanism of action may be associated with the PI3K/Akt/mTOR signaling pathway.

This study is to identify Chinese medicinal materials Rhizoma et Radix Heraclei, Angelicae Sinensis, Radix Angelicae Pubescentis and Rhizoma et Radix Notopterygii based on ITS2 and its secondary structure. Total 26 ITS sequences of 7 species were downloaded from GenBank, the ITS2 sequences were annotated by HMMer method. The NJ phylogenetic tree was built by MEGA software, the intraspecific and interspecific K2P genetic distance were analyzed by MEGA as well. The ITS2 secondary structures of all taxa were predicted by ITS2 database. Sequence matrix of primary structure and secondary structure was aligned by 4Sale software. And the profile neighbor joining (PNJ) phylogenetic tree was constructed via the the ProfDistS software based on the distance method. The results show that, the average interspecific genetic distance was far greater than the average intraspecific genetic distance, an obvious barcoding gap was noted among all taxa; NJ tree showed that all species were clustered into seperate branches; each species had different secondary structures; the PNJ tree showed higher resolution than NJ tree. Therefore, ITS2 is suggested to be used as a barcode for distinguishing the original plants of Rhizoma et Radix Heraclei, Radix Angelicae Sinensis, Radix Angelicae Pubescentis and Rhizoma et Radix Notopterygii in this study, this provides some scientific basis for classification and accurate identification of these Chinese medicinal materials.

To introduce the experience of professorfor mammary gland hyperplasia by disease-symptom diagnosis and treatment. Under disease-symptom combination and the reference of both Chinese medicine and western medicine,he took priority in diagnosis and then treated diseases by acupuncture and medicine,etc. Meanwhile,he considered the superficiality and origin of diseases and served patients based on individuals,seasons and regions. Also,regulation for mood was applied. As a result, the good effect was achieved.

【Objective:】 To explore the relationship between the moral courage of nurses in Intensive Care Unit (ICU) and the hospital ethical climate, and to provide a theoretical basis for enhancing the moral courage of ICU nurses. 【Methods:】 A total of 468 ICU nurses from 8 tertiary A hospitals in Shaanxi Province were selected as the subjects by convenience sampling method, and the General Information Form, Hospital Ethical Climate Survey, and Nurses’ Moral Courage Scale were used for the questionnaire survey. 【Results:】 A total of 468 questionnaires were distributed and 463 valid questionnaires were returned, with an effective recovery rate of 98.93%. The score of hospital ethical climate for ICU nurses was (100.69±19.76), and the score of moral courage was (83.67±15.48). There was a positive correlation between hospital ethical climate and moral courage (r=0.866, P<0.001). Hierarchical multiple regression analysis showed that hospital ethical climate entered the influencing factor model of ICU nurses’ moral courage, which can independently explain 57% of the variation in ICU nurses’ moral courage. 【Conclusion:】 The moral courage of ICU nurses was at a medium level, and positively correlated with the hospital ethical climate, that is, the better the hospital ethical climate perceived by ICU nurses, the higher their level of moral courage. Nursing managers should focus on deepening the hospital ethical climate, and enhance the level of hospital ethical climate through scientific methods to promote the improvement of ICU nurses’ moral courage.

Objective To explore the effect of formononetin on immunity of mice with transplanted H22 hepatocarcinoma. Methods Male C57BL/6 mice were subcutaneously inoculated with H22 cells (4×10⁵) to establish a tumor-bearing mouse model. The mice were treated with formononetin [10 mg/(kg.d)] or [50 mg/(kg.d)] for 28 days, and then the tumor inhibition rate was calculated. Carrilizumab was used as a positive control drug. The expressions of CD8, granzyme B and forkbox transcription factor 3 (FOXP3) in HCC tissues were analyzed by immunohistochemical staining. The mRNA and protein expression of programmed cell death protein 1 (PD-1) and its ligand 1 (PD-L1) in HCC tissues were detected by real-time PCR or Western blot analysis, respectively. The serum levels of interleukin-10 (IL-10) and transforming growth factor-β (TGF-β) were detected by ELISA. Results Formononetin increased the tumor inhibition rate and the positive rate of CD8 and granzyme B staining in tumor-bearing mice. There was no significant difference in the positive rate of FOXP3 staining in tumor tissues of mice in each group. Formononetin decreased the levels of IL-10 and TGF-β in serum of tumor-bearing mice, and decreased the relative expression of mRNA and protein of PD-1 and PD-L1 in tumor tissue of tumor-bearing mice. Conclusion Formononetin can activate CD8⁺ T cells and reduce the release of immunosuppressive factors in regulatory T cells by blocking PD-1/PD-L1 pathway and play an antitumor role.
Male ; Animals ; Mice ; Carcinoma, Hepatocellular/pathology* ; Liver Neoplasms/genetics* ; Interleukin-10/genetics* ; B7-H1 Antigen ; Granzymes/genetics* ; Programmed Cell Death 1 Receptor/metabolism* ; CD8-Positive T-Lymphocytes/metabolism* ; Mice, Inbred C57BL ; Transforming Growth Factor beta/genetics* ; RNA, Messenger/metabolism* ; Forkhead Transcription Factors/genetics* ; Cell Line, Tumor

To explore the changes and the reaction mechanisms between soil microecological environment and the content of secon-dary metabolites of plants under water deficit, this study carried out a pot experiment on the 3-leaf stage seedlings of Rheum officinale to analyze their response mechanism under different drought gradients(normal water supply, mild, moderate, and severe drought). The results indicated that the content of flavonoids, phenols, terpenoids, and alkaloids in the root of R. officinale varied greatly under drought stresses. Under mild drought stress, the content of substances mentioned above was comparatively high, and the content of rutin, emodin, gallic acid, and(+)-catechin hydrate in the root significantly increased. The content of rutin, emodin, and gallic acid under severe drought stress was significantly lower than that under normal water supply. The number of species, Shannon diversity index, richness index, and Simpson index of bacteria in the rhizosphere soil were significantly higher than those in blank soil, and the number of microbial species and richness index decreased significantly with the aggravation of drought stresses. In the context of water deficit, Cyanophyta, Firmicutes, Actinobacteria, Chloroflexi, Gemmatimonadetes, Streptomyces, and Actinomyces were the dominant bacteria in the rhizosphere of R. officinale. The relative content of rutin and emodin in the root of R. officinale was positively correlated with the relative abundance of Cyanophyta and Firmicutes, and the relative content of(+)-catechin hydrate and(-)-epicatechin gallate was positively correlated with the relative abundance of Bacteroidetes and Firmicutes. In conclusion, appropriate drought stress can increase the content of secondary metabolites of R. officinale from physiological induction and the increase in the association with beneficial microbe.
Rhizosphere ; Rheum ; Droughts ; Soil ; Catechin ; Emodin ; Bacteria/metabolism* ; Water/metabolism* ; Firmicutes ; Soil Microbiology

Objective: To construct a nursing intervention program for patients with coronary heart disease based on the theory of Omaha intervention system, and to provide evidence for the specialist nursing of patients with coronary heart disease. Methods: Based on the Omaha intervention system, the specialist nursing intervention plan for patients with coronary heart disease was preliminarily established on the basis of reviewing the medical records, and was modified by the Delphi method. Results: Reviewing the medical records combined with the Omaha intervention system, preliminary development of nursing intervention programs for patients with coronary heart disease. The expert inquiry letter of the intervention program was 2 rounds, and the expert positive coefficients of the 2 rounds of inquiry letters were 91.67% and 93.94%, the authoritative coefficient was 0.92, and the Kendall Harmony Coefficient was 0.34 and 0.47 respectively. The specialist nursing intervention for patients with coronary heart disease was finally determined. Conclusion The nursing intervention plan for patients with coronary heart disease based on Omaha theory has a good theoretical basis and has been unanimously recognized by experts.