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1.
J Community Health Nurs ; : 1-9, 2024 Jun 23.
Article in English | MEDLINE | ID: mdl-38909288

ABSTRACT

We aimed to analyze the effects of exclusive breastfeeding duration on the occurrence and course of pneumonia in infants aged up to 6 months. Prospective case-control study. This study was conducted from August 2020 to August 2022 at a maternity and child health hospital in China. A total of 218 infants up to 6 months of age with pneumonia were included in the analyses. Health data were obtained using a hospitalization information system or an interview-based questionnaire. Univariate and multivariate logistic regression analyses were performed to analyze the data. The incidence of pneumonia, hospitalization duration, and costs to participants were significantly affected by the duration of exclusive breastfeeding (p < 0.01). The incidence of pneumonia among participants with different exclusive breastfeeding durations also differed significantly (p < 0.01). The shorter the duration of exclusive breastfeeding, the higher the incidence of pneumonia among infants. We found that the longer the exclusive breastfeeding duration in infants up to 6 months of age, the lower the recurrence of pneumonia, the shorter the hospital stay, and the lower the hospital costs. The rate of exclusive breastfeeding for infants up to 6 months of age should be increased as much as possible to reduce the occurrence of pneumonia and hospital costs.

2.
Anticancer Drugs ; 33(9): 913-922, 2022 10 01.
Article in English | MEDLINE | ID: mdl-36136991

ABSTRACT

Breast cancer (BC) is the most dangerous female mortality all over the world, described by unavoidable spread and metastaticity of BC cells. Increasing evidences verified that lncRNA play a major role in the tumorgenesis and development of BC cell. The purpose of this study is to investigate the roles of lncRNA ceramide synthase 6 antisense RNA 1 (CERS6-AS1) and ubiquitin-conjugating enzyme E2C (UBE2C) in BC and explore the regulatory association among miR-16-5p, CERS6-AS1, and UBE2C in BC. The CERS6-AS1 and UBE2C expression levels were determined by real time quantitative PCR in cell lines and tissues of BC. The function of CERS6-AS1 and UBE2C in the apoptosis, proliferation, and migration was confirmed by cell counting kit-8, Transwell, and flowcytometry tests. We performed tumor xenograft assay to validate the roles of CERS6-AS1 in vivo. The expression of UBE2C proteins was evaluated by Western Blot analysis. Moreover, the relationship among UBE2C, CERS6-AS1, and miR-16-5p was verified by luciferase report assay. It was found that CERS6-AS1 and UBE2C were meaningfully upregulated in BC, and knockdown of both CERS6-AS1 and UBE2C inhibited the BC cell proliferation and migration, whereas induced apoptosis. Mechanistically, CERS6-AS1 could facilitate BC progression by sponging miR-16-5p for upregulation of the UBE2C expression. The CERS6-AS1/miR-16-5p/UBE2C axis might be a prospective therapeutic target in the BC treatment by sponging miR-16-5p to upregulate UBE2C, which might contribute to the development of BC.


Subject(s)
Breast Neoplasms , MicroRNAs , RNA, Long Noncoding , Breast Neoplasms/pathology , Cell Line, Tumor , Cell Movement/genetics , Cell Proliferation/genetics , Female , Gene Expression Regulation, Neoplastic , Humans , Membrane Proteins , MicroRNAs/genetics , Oxidoreductases , RNA, Antisense/genetics , RNA, Long Noncoding/genetics , Sphingosine N-Acyltransferase , Ubiquitin-Conjugating Enzymes/genetics , Ubiquitin-Conjugating Enzymes/metabolism
3.
J Int Med Res ; 48(6): 300060520929858, 2020 Jun.
Article in English | MEDLINE | ID: mdl-32588690

ABSTRACT

OBJECTIVE: The current study investigated the effect of c-Jun NH2-terminal kinase (JNK) expression on the growth of transplanted breast cancer tumors in mice. METHODS: A breast cancer transplantation model was established in BALB/c mice, which were then treated with SP600125 (30 mg/kg) for 24 days. After sacrificing the mice, the inhibitory effects of SP600125 on breast cancer growth were calculated by weighing tumors. Moreover, vascular endothelial growth factor (VEGF) expression and the tumor microvascular density (MVD) were evaluated via immunohistochemistry. Cell apoptosis was also examined using a TUNEL kit. RESULTS: Compared with the findings in the control group, SP600125 treatment (30 mg/kg) obviously suppressed tumor growth during the 15-day observation period. SP600125 treatment markedly inhibited JNK mRNA expression. Furthermore, VEGF protein expression (50% vs. 100%) and MVD (18.27 ± 1.70 vs. 23.17 ± 4.02) were also significantly decreased by SP600125 treatment, whereas the apoptosis index was significantly higher in the treatment group (10.23 ± 1.97% vs. 4.53 ± 1.40%). CONCLUSION: Inhibition of JNK signaling can significantly suppress the growth of transplanted breast tumors in mice.


Subject(s)
JNK Mitogen-Activated Protein Kinases , Vascular Endothelial Growth Factor A , Animals , Apoptosis , Mice , Mice, Inbred BALB C , Vascular Endothelial Growth Factor A/genetics
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