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[Rapid promyelocytic blast crisis of chronic myeloid leukemia with PML-RARα fusion gene: a case report and literature review].
Liu, MS, Han, XY, Qu, ZG, Luo, QL, Wu, KL, Chen, J, Wu, YJ, Xu, WL, Yang, XX, Zhu, YY
Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi. 2023;(6):512-515
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Potential Indicators of Mitochondrial Structure and Function.
He, XD, Zhang, F, Huang, Y, Hao, JJ, Zhang, M, He, JB, Pu, XM, Li, YJ, Zi, L, Yu, J, et al
Current pharmaceutical design. 2022;(21):1738-1744
Abstract
Mitochondria regulate a range of important physiological and biochemical cellular processes including apoptotic cell death, energy production, calcium homeostasis, oxidative stress, and lipid metabolism. Given their role as the 'engines' of cells, their dysfunction is associated with a variety of disease states. Exploring the relationship between mitochondrial function and disease can reveal the mechanism(s) of drug activity and disease pathology. In this review, we summarized the methods of evaluating the structure and function of mitochondria, including the morphology, membrane fluidity, membrane potential, opening of the membrane permeability transition pore, inner membrane permeabilization, mitochondrial dynamics, mitophagy, oxidative stress, energy metabolism-related enzymes, apoptotic pathway related proteins, calcium concentration, DNA copy number, oxygen consumption, β-oxidation-related genes and proteins, cardiolipin content, and adenosine triphosphate content. We believe that the information presented in this review will help explore the pathological processes of mitochondria in the occurrence and development of diseases, as well as the activity and mechanism of drugs, and the discovery of new drugs.
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3.
The effect of Clostridium butyricum on symptoms and fecal microbiota in diarrhea-dominant irritable bowel syndrome: a randomized, double-blind, placebo-controlled trial.
Sun, YY, Li, M, Li, YY, Li, LX, Zhai, WZ, Wang, P, Yang, XX, Gu, X, Song, LJ, Li, Z, et al
Scientific reports. 2018;8(1):2964
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Plain language summary
Clostridium butyricum (CB) is a probiotic with potential for treating Irritable Bowel Syndrome (IBS). This randomised controlled trial aimed to assess the efficacy and safety of CB in treating diarrhoea-predominant IBS (IBS-D) and analyse the faecal microbiota after treatment. The study was carried out in China. 200 patients with IBS-D were recruited and were given CB or a placebo for four weeks. Researchers looked at changes in IBS symptoms, quality of life, stool consistency and frequency. CB was effective in improving the overall IBS-D symptoms as well as quality of life and stool frequency, but not abdominal pain or bloating. The responder rates (percentage of participants that experienced a reduction of 50 or more points in the IBS symptom severity scale) were higher in CB compared with the placebo, especially for those with moderate to severe IBS symptoms. The faecal microbiota analysis showed changes in the microbial community after treating with CB, including a reduction in the genus Clostridium.
Abstract
Irritable bowel syndrome (IBS) is a common disorder in gastrointestinal system and impairs the quality of life of the patients. Clostridium butyricum (CB) is a probiotics that has been used in several gastrointestinal diseases. The efficacy of CB in treating IBS is still unknown. This prospective, multi-centre, randomized, double-blind, placebo-controlled trial aimed to assess the efficacy and safety of CB in treating diarrhea-predominant IBS (IBS-D) and analyze the fecal microbiota after treatment. Two hundred patients with IBS-D were recruited and were given CB or placebo for 4 weeks. End points included change from baseline in IBS symptoms, quality of life, stool consistency and frequency. Compared with placebo, CB is effective in improving the overall IBS-D symptoms (-62.12 ± 74.00 vs. -40.74 ± 63.67, P = 0.038) as well as quality of life (7.232 ± 14.06 vs. 3.159 ± 11.73, P = 0.032) and stool frequency (-1.602 ± 1.416 vs. -1.086 ± 1.644, P = 0.035). The responder rates are found higher in CB compared with the placebo (44.76% vs. 30.53%, P = 0.042). The change in fecal microbiota was analyzed and function pathways of CB in treating IBS-D were predicted. In conclusion, CB improves overall symptoms, quality of life and stool frequency in IBS-D patients and is considered to be used as a probiotics in treating IBS-D clinically.
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Optimal postoperative nutrition support for patients with gastrointestinal malignancy: A systematic review and meta-analysis.
Yan, X, Zhou, FX, Lan, T, Xu, H, Yang, XX, Xie, CH, Dai, J, Fu, ZM, Gao, Y, Chen, LL
Clinical nutrition (Edinburgh, Scotland). 2017;(3):710-721
Abstract
OBJECTIVE To improve clinical outcomes, parenteral nutrition, standard enteral nutrition and immuno-enhanced nutrition are widely used in the gastrointestinal tumor patients undergoing surgery, but the optimal management of postoperative nutrition support remains uncertain. METHODS We systematically searched the PUBMED, EMBASE and CNKI to identify latent studies which the effects of standard EN compared with PN or IEN on gastrointestinal tumor patients until the end of November, 2015. The quality of included trials was assessed according to the handbook for Cochrane reviewer. Statistical analysis was carried out by RevMan5.1 software. RESULTS 30 randomized controlled trials containing 3854 patients were contained in our meta-analysis, the results indicated that postoperative SEN could absolutely reduce the incidence of postoperative infectious (P < 0.00001) and non-infectious complications (P = 0.0003), together with its positive effect on the length of hospital stay (P < 0.00001). Additionally, enteral nutrition enhanced with immune stimulation was confirmed to be better, with a significant difference between groups in terms of total infectious (P < 0.00001) and non-infectious complications (P = 0.04), and IEN could also significantly shorten the length of hospital stay (P < 0.00001). CONCLUSION Early use of Enteral nutrition in digestive tumor patients after surgery could significantly reduce the postoperative complications and shorten the length of hospital stay, IEN should be the optimal management, while the use of parenteral nutrition should be restrict to few patients with severe intolerance to enteral nutrition.
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CASZ1 loss-of-function mutation associated with congenital heart disease.
Huang, RT, Xue, S, Wang, J, Gu, JY, Xu, JH, Li, YJ, Li, N, Yang, XX, Liu, H, Zhang, XD, et al
Gene. 2016;(1):62-68
Abstract
As the most common form of birth defect in humans, congenital heart disease (CHD) is associated with substantial morbidity and mortality in both children and adults. Increasing evidence demonstrates that genetic defects play a pivotal role in the pathogenesis of CHD. However, CHD is of great heterogeneity, and in an overwhelming majority of cases, the genetic determinants underpinning CHD remain elusive. In the present investigation, the coding exons and flanking introns of the CASZ1 gene, which codes for a zinc finger transcription factor essential for the cardiovascular morphogenesis, were sequenced in 172 unrelated patients with CHD. As a result, a novel heterozygous CASZ1 mutation, p.L38P, was identified in an index patient with congenital ventricular septal defect (VSD). Genetic scanning of the mutation carrier's available family members revealed that the mutation was present in all affected patients but absent in unaffected individuals. Analysis of the proband's pedigree showed that the mutation co-segregated with VSD, which was transmitted as an autosomal dominant trait with complete penetrance. The missense mutation, which altered the amino acid that was highly conserved evolutionarily, was absent in 200 unrelated, ethnically-matched healthy subjects used as controls. Functional deciphers by using a dual-luciferase reporter assay system unveiled that the mutant CASZ1 had significantly reduced transcriptional activity as compared with its wild-type counterpart. To the best of our knowledge, the current study firstly identifies CASZ1 as a new gene predisposing to CHD in humans, which provides novel insight into the molecular mechanisms underlying CHD and a potential therapeutic target for CASZ1-associated CHD, suggesting potential implications for personalized prophylaxis and therapy of CHD.
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Improving diet recipe and cooking methods attenuates hyperphosphatemia in patients undergoing peritoneal dialysis.
Jiang, N, Fang, W, Gu, AP, Yuan, JZ, Yang, XX, Lin, AW, Ni, ZH, Qian, JQ
Nutrition, metabolism, and cardiovascular diseases : NMCD. 2015;(9):846-852
Abstract
BACKGROUND AND AIMS Hyperphosphatemia is an independent predictor for cardiovascular and all-cause mortality in patients undergoing peritoneal dialysis (PD). The study aimed to investigate the effect of dietary intervention on reducing serum phosphate concentration in hyperphosphatemic PD patients. METHODS AND RESULTS In this single-center clinical trial, 97 prevalent PD patients with serum phosphate concentration ≥ 1.6 mmol/l were allocated to the intervention (n = 48) or control (n = 49) group and followed up for 1 year. In addition to phosphate binder (calcium carbonate) therapy, patients in the intervention group were intensively educated to reduce phosphate-rich food intake and improve cooking methods. While stable in the control group (1.97 ± 0.20 to 1.94 ± 0.35 mmol/l, p > 0.05), the serum phosphate concentration decreased significantly in the intervention group (1.98 ± 0.28 to 1.65 ± 0.33 mmol/l, p = 0.015) concurrently with the drop in dietary phosphate intake (13.03 ± 3.39 to 10.82 ± 3.00 mg/kg ideal body weight/day, p = 0.001). Moreover, after 6 months of intervention, fewer patients needed to use calcium carbonate (from 64.6% to 41.5%, p = 0.029) and the medicine dose reduced significantly (from 2.25 (0, 3.94) to 0 (0, 1.50) g/day, p < 0.001). CONCLUSIONS Our data indicated that intensive dietary intervention of reducing phosphate-rich food intake and improving cooking methods attenuated hyperphosphatemia in PD patients. It suggests that regular assessment of dietary phosphate intake and modification of diet recipe and cooking methods are essential for hyperphosphatemia treatment in PD patients in addition to phosphate binder therapy.
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Meat consumption and risk of oral cavity and oropharynx cancer: a meta-analysis of observational studies.
Xu, J, Yang, XX, Wu, YG, Li, XY, Bai, B
PloS one. 2014;(4):e95048
Abstract
PURPOSE High meat consumption, especially red and processed meat consumption is associated with an increased risk of several cancers, however, evidence for oral cavity and oropharynx cancer is limited. Thus, we performed this meta-analysis to determine the association between intakes of total meat, processed meat, red meat, and white meat, and the risk of oral cavity and oropharynx cancer. METHODS Electronic search of Pubmed, Embase, and Cochrane Library Central database was conducted to select relevant studies. Fixed-effect and random-effect models were used to estimate summary relative risks (RR) and the corresponding 95% confidence intervals (CIs). Potential sources of heterogeneity were detected by meta-regression. Subgroup analyses and sensitivity analysis were also performed. RESULTS 12 case-control studies and one cohort study were included in the analyses, including 501,730 subjects and 4,104 oral cavity and oropharynx cancer cases. Pooled results indicated that high consumption of total meat, red meat, and white meat were not significantly associated with increased risk of oral cavity and oropharynx cancer (RR = 1.14, 95% CI[0.78-1.68]; RR = 1.05, 95% CI[0.66, 1.66] and RR = 0.81, 95% CI[0.54, 1.22], respectively), while the high consumption of processed meat was significantly associated with a 91% increased risk of oral cavity and oropharynx cancer (RR = 1.91, 95% CI [1.19-3.06]). Sensitivity analysis indicated that no significant variation in combined RR by excluding any of the study, confirming the stability of present results. CONCLUSIONS The present meta-analysis suggested that high consumption of processed meat was significantly associated with an increased risk of oral cavity and oropharynx cancer, while there was no significantly association between total meat, red meat or white meat and the risk of oral cavity and oropharynx cancer. More prospective cohort studies are warranted to confirm these associations.
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Hepatic actinomycosis: report of one case and analysis of 32 previously reported cases.
Yang, XX, Lin, JM, Xu, KJ, Wang, SQ, Luo, TT, Geng, XX, Huang, RG, Jiang, N
World journal of gastroenterology. 2014;(43):16372-6
Abstract
Hepatic actinomycosis is rare, with few published cases. There are no characteristic clinical manifestations, and computed tomography (CT) shows mainly low-density images, making clinical diagnosis difficult, and leading to frequent misdiagnosis as primary liver cancer, metastatic liver cancer or liver abscess. Diagnosis normally requires examination of both the aetiology and pathology. This article reports one male patient aged 55 who was hospitalized because of repeated upper abdominal pain for more than 2 mo. He exhibited no chills, fever or yellow staining of the skin and sclera, and examination revealed no positive signs. The routine blood results were: haemoglobin 110 g/L, normal numbers of leukocytes and neutral leukocytes, serum albumin 32 g/L, negative serum hepatitis B markers and hepatitis C antibodies, normal tumour markers (alpha-fetoprotein and carcinoembryonic antigen). An abdominal CT scan revealed an 11.2 cm × 5.8 cm × 7.4 cm mass with an unclear edge in the left liver lobe. The patient was diagnosed as having primary liver cancer, and left lobe resection was performed. The postoperative pathological examination found multifocal actinomycetes in the hepatic parenchyma, which was accompanied by chronic suppurative inflammation. A focal abscess had formed, and large doses of sodium penicillin were administered postoperatively as anti-infective therapy. This article also reviews 32 cases reported in the English literature, with the aim of determining the clinical features and treatment characteristics of this disease, and providing a reference for its diagnosis and treatment.
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Monitoring of immune responses to a herbal immuno-modulator in patients with advanced colorectal cancer.
Chen, X, Hu, ZP, Yang, XX, Huang, M, Gao, Y, Tang, W, Chan, SY, Dai, X, Ye, J, Ho, PC, et al
International immunopharmacology. 2006;(3):499-508
Abstract
Many herbal medicines are widely used as immuno-modulators in Asian countries. Ganoderma lucidum (Lingzhi) is one of the most commonly used herbs in Asia and preclinical studies have established that the polysaccharide fractions of G. lucidum have potent immuno-modulating effects. However, clinical evidence for this is scanty. The present open-labeled study aimed to evaluate the effects of G. lucidum polysaccharides on selected immune functions in patients with advanced colorectal cancer. Forty-seven patients were enrolled and treated with oral G. lucidum at 5.4 g/day for 12 weeks. Selected immune parameters were monitored using various immunological methods throughout the study. In 41 assessable cancer patients, treatment with G. lucidum tended to increase mitogenic reactivity to phytohemagglutinin, counts of CD3, CD4, CD8 and CD56 lymphocytes, plasma concentrations of interleukin (IL)-2, IL-6 and interferon (IFN)-gamma, and NK activity, whereas plasma concentrations of IL-1 and tumor necrosis factor (TNF)-alpha were decreased. For all of these parameters, no statistical significance was observed when a comparison was conducted between baseline and those values after a 12-week treatment with G. lucidum. The changes of IL-1 were correlated with those for IL-6, IFN-gamma, CD3, CD4, CD8 and NK activity (p<0.05) and IL-2 changes were correlated with those for IL-6, CD8 and NK activity. The results indicate that G. lucidum may have potential immuno-modulating effect in patients with advanced colorectal cancer. Further studies are needed to explore the benefits and safety of G. lucidum in cancer patients.