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Colorectal cancer is a disease with high morbidity and mortality. Colorectal cancer has a poor prognosis, duing to the current limited treatment methods and can not achieve satisfactory treatment results. Therefore, how to diagnose colorectal cancer patients early and improve the prognosis has always been one of the problems in the medical and scientific research circles. As researchers gradually learn more about the intestinal flora including Fusobacterium nucleatum, the targeted treatment has been applied to the experimental research and clinical treatment of colorectal cancer. This paper reviews the research progress of Fusobacterium nucleatum on the pathogenesis, early diagnosis, prognosis and treatment of colorectal cancer in recent years.
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Gut microbiota plays an important role in the development of colorectal cancer, such as Fusobacterium Nucleatum, Peptostreptococcus and Streptococcus thermophilus. At present, Surgery is the mainly treatment strategy of colorectal cancer patients, supplemented by postoperative radiotherapy and chemotherapy. The influence of gut microbiota on colorectal cancer is not limited to the tumor itself. After tumor resection, gut microbiota is still in a state of disorder, which will affect the short-term and long-term prognosis of patients. Therefore, understanding the relationship between gut microbiota and prognosis of colorectal cancer is helpful to improve the prognosis of patients and reduce postoperative complications. In this review, the author will summarize the influence of gut microbiota on short-term and long-term prognosis of colorectal cancer patients.
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Anastomotic leakage is one of the most serious complications following colorectal surgery. Occurrence of anastomotic leakage is concealed and numerous risk factors might relate to anastomotic leakage, which greatly affect the postoperative outcomes and life quality of patients. Therefore, it is necessary to recognize risk factors to predict anastomotic leakage in advance and adopt available treatments to reduce the incidence. This review summarized the risk factors of postoperative anastomotic leakage base on two aspects, and so on. Perioperative related factors and biological markers, aiming to provide a theory for predicting anastomotic leakage then improving the treatment outcomes of colorectal cancer patients .
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ObjectiveTo explore the awareness rate and the influencing factors of notification in elderly cancer patients， and to improve the community health management. MethodsA total of 622 cancer patients were selected from a community health service center in Jing’an District of Shanghai， who participated in the Survey of Unified Needs Assessment of Elderly Care in Shanghai. ResultsThe overall awareness rate was 62.86%. Multivariate analysis showed that elderly patients were more likely to have disease notification than younger patients. Patients were less likely to have notification if they were without spouse， with care needs and with more diseases other than cancer. Patients with family history of cancer， living with children were more likely to have notification （P< 0.05）. Different tumor types might also influence the notification. Moreover， under the control of different factors， the influence effect on patients in specific age group may be different. （This sentence， in Chinse and English abstracts is confusing. Suggest authors to revise） ConclusionCommunity workers should develop corresponding health management strategies to improve the patients’ proper awareness， based on tumor category， of patient health status and family attitude.
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ObjectiveTo explore the awareness rate and the influencing factors of notification in elderly cancer patients， and to improve the community health management. MethodsA total of 622 cancer patients were selected from a community health service center in Jing’an District of Shanghai， who participated in the Survey of Unified Needs Assessment of Elderly Care in Shanghai. ResultsThe overall awareness rate was 62.86%. Multivariate analysis showed that elderly patients were more likely to have disease notification than younger patients. Patients were less likely to have notification if they were without spouse， with care needs and with more diseases other than cancer. Patients with family history of cancer， living with children were more likely to have notification （P< 0.05）. Different tumor types might also influence the notification. Moreover， under the control of different factors， the influence effect on patients in specific age group may be different. （This sentence， in Chinse and English abstracts is confusing. Suggest authors to revise） ConclusionCommunity workers should develop corresponding health management strategies to improve the patients’ proper awareness， based on tumor category， of patient health status and family attitude.
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To investigate the effect and mechanism of psoralen on calvarial osteoblasts injuries caused by tricalcium phosphate (TCP) wear particles in vitro. Primary osteoblasts were obtained from the calvaria of neonatal SD rat by the series of digestion and were identified with ALP staining. Calvarial osteoblasts were treated with TCP wear particles for 48 h to establish the in vitro model of osteoblasts injuries. The rat osteoblasts were randomly divided into control group, TCP wear particles (0.1 mg/ml) group, psoralen treated (at the concentrations of 10, 10, 10 mol/L) groups. WST assay and the flow cytometry were used to detect the cell viability of osteoblasts and apoptosis, respectively. Chemical colorimetry was performed to examine ALP activity of osteobalsts. When the osteoblasts were treated for 14 day, mineral nodules formation was observed with alizarin red S staining. Western blot was applied to examine protein expressions of glucose regulated protein78/94(GRP78/94), inositol dependent enzyme 1 alpha (IREα), spliced X-box binding protein 1 (XBP1s) and phosphorylated c-Jun N-terminal kinase (p-JNK) in calvarial osteoblasts. Compared with control group, the cell viability of osteoblasts, ALP activity and mineral nodules formation in TCP group were decreased significantly (P＜0.05), while the percentage of apoptosis and protein expressions of GRP78/94, IRE1α, XBP1 and p-JNK were obviously increased in calvarial osteoblasts (P＜0.05). Compared with TCP group, the injuries of calvarial osteoblasts and cell apoptosis in psoralen treated groups were obviously decreased (P＜0.05), and the expression levels of GRP78/94, IRE1α, XBP1 and p-JNK were down-regulated remarkably (P＜0.05). Psoralen prevents osteoblasts injuries caused by TCP wear particles through IRE1α-XBP1s-JNK signaling pathway activation.
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Peritoneal adhesions are fibrous tissues that tether organs to one another or to the peritoneal wall and represent the major cause of postsurgical morbidity. Enterolysis at repeat surgeries induces adhesion reformation that is more difficult to prevent than primary adhesion. Here we studied the preventive effects of different approaches of berberine treatment for primary adhesion, and its effects on adhesion reformation compared to Interceed. We found the primary adhesion was remarkably prevented by berberine through intraperitoneal injection 30 min before abrasive surgery (pre-berberine) or direct addition into injured cecum immediately after the surgery (inter-berberine). Rats with adhesion reformation had a more deteriorative collagen accumulation and tissue injury in abrasive sites than rats with primary adhesion. The dysregulated TIMP-1/MMP balance was observed in patients after surgery, as well as adhesion tissues from primary adhesion or adhesion reformation rats. Inter-berberine treatment had a better effect for adhesion reformation prevention than Interceed. Berberine promoted the activation of MMP-3 and MMP-8 by directly blocking TIMP-1 activation core, which was reversed by TIMP-1 overexpression in fibroblasts. In conclusion, this study suggests berberine as a reasonable approach for preventing primary adhesion formation and adhesion reformation.
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@#【Objective】To analyze the risk factors of delayed hemorrhage after colon polyp resection.【Methods】We retrospectively analyzed the clinical data of patients who underwent endoscopic polypectomy between January 2010 and December 2018，in which 106 patients with delayed hemorrhage were hemorrhage group，while 3 856 patients who did not bleed were the controlled group，and Logistic regression model was applied to screen the risk factors of hemorrhage after polyp resection.【Results】Of the 3 962 patients included in the study，106 had delayed post polypectomy hemorrhage， the hemorrhage rate being 2.68%. 89.6% delayed hemorrhage occurred within 3 days after polypectomy. Logistic regression analysis showed that the difference of polyp size，complicated hypertension，combined with chronic nephropathy，aspirin drug history and warfarin drug history in hemorrhage group and control group was statistically significant（P values were 0.011，0.009，0.028，0.001，0.023，respectively）.【Conclusion】The size of polyps，comorbidity of hypertension，chronic renal disease ，application of aspirin and warfarin were considered to be independent risk factors for post-polypectomy delayed hemorrhage，most of hemorrhage occurred within 3 days. According to the risk factors of patients，we may predict the risk of delayed hemorrhage.
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Chimeric antigen receptor T cell therapy in the CD19+blood system of malignant tumor has achieved astonishing re-sults.Targeting the CART CD19 cells can increase the remission rate of acute lymphoblastic leukemia.But the curative effect of CART therapy for solid tumors in recent years has been no substantive breakthrough.There are many problems to be solved in tumor immunotherapy of solid tumor.For example,how CART break through into solid tumor microenvironment and keep vitality,how to identify cancer cells accurately and how to surmount immunosuppression playing an effective role.We here discuss that targeting CART cells toward solid tumors faces certain circumstances critical for the therapeutic success.
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Objective To investigate the clinical value and the experience of retroperitoneal laparoscopic nephrectomy in primary hospitals. Methods A retrospective analysis of 20 cases of retroperitoneal nephrectomy performed in the people's hospital of Jianshui from July 2014 to December 2017 and 23 cases of open nephrectomy in the same period as the control group, the two groups of surgery and postoperative recovery were analyzed and compared. Results The two groups of patients were operated successfully. The surgery time of the laparoscopic group was (110.14 ±15.63) min and the control group was (100.33 ±10.58) min. There was no statistical difference between the two groups (P＞0.05). No complications occurred during the follow-up period between the two groups, and the difference was not statistically significant. The intraoperative blood loss in the two groups was (40.63 ±22.21) ml and (80.45 ±38.31) m L respectively, and the difference was statistically significant (P＜ 0.05).The indwelling time of drainage tube in the two groups was (2-3) days and (6-7) days respectively. The difference was statistically significant (P＜ 0.05), and the hospitalization time was (3.2 ±2.2) days and (6.4 ± 3.3) days respectively, the difference was statistically significant (P＜0.05). Conclusions Laparoscopic nephrectomy has the advantages of less trauma, faster recovery and shorter hospital stay. With the improvement of operation technique, it will bring more advantages and be worth popularizing.
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BACKGROUND AND OBJECTIVES: Ischemic post-conditioning (PostC) has been demonstrated as a novel strategy to harness nature's protection against myocardial ischemia-reperfusion (I/R). Hypercholesterolemia (HC) has been reported to block the effect of PostC on the heart. Angiotensin II type-1 (AT1) modulators have shown benefits in myocardial ischemia. The present study investigates the effect of a novel inhibitor of AT1, azilsartan in PostC of the heart of normocholesterolemic (NC) and HC rats. MATERIALS AND METHODS: HC was induced by the administration of high-fat diet to the animals for eight weeks. Isolated Langendorff's perfused NC and HC rat hearts were exposed to global ischemia for 30 min and reperfusion for 120 min. I/R-injury had been assessed by cardiac hemodynamic parameters, myocardial infarct size, release of tumor necrosis factor-alpha troponin I, lactate dehydrogenase, creatine kinase, nitrite in coronary effluent, thiobarbituric acid reactive species, a reduced form of glutathione, superoxide anion, and left ventricle collagen content in normal and HC rat hearts. RESULTS: Azilsartan post-treatment and six episodes of PostC (10 sec each) afforded cardioprotection against I/R-injury in normal rat hearts. PostC protection against I/R-injury was abolished in HC rat hearts. Azilsartan prevented the HC-mediated impairment of the beneficial effects of PostC in I/R-induced myocardial injury, which was inhibited by L-N⁵-(1-Iminoethyl)ornithinehydrochloride, a potent inhibitor of endothelial nitric oxide synthase (eNOS). CONCLUSION: Azilsartan treatment has attenuated the HC-induced impairment of beneficial effects of PostC in I/R-injury of rat hearts, by specifically modulating eNOS. Azilsartan may be explored further in I/R-myocardial injury, both in NC and HC conditions, with or without PostC.
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Animals , Rats , Angiotensin II , Collagen , Creatine Kinase , Diet, High-Fat , Glutathione , Heart , Heart Ventricles , Hemodynamics , Hypercholesterolemia , Ischemia , Ischemic Postconditioning , L-Lactate Dehydrogenase , Myocardial Infarction , Myocardial Ischemia , Nitric Oxide Synthase Type III , Reperfusion , Reperfusion Injury , Superoxides , Troponin I , Tumor Necrosis Factor-alphaABSTRACT
<p><b>BACKGROUND</b>Unstable pelvic fractures are complex and serious injuries. Selection of a fixation method for these fractures remains a challenging problem for orthopedic surgeons. This study aimed to compare the stability of Tile C pelvic fractures fixed with two iliosacral (IS) screws and minimally invasive adjustable plate (MIAP) combined with one IS screw.</p><p><b>METHODS</b>This study was a biomechanical experiment. Six embalmed specimens of the adult pelvis were used. The soft tissue was removed from the specimens, and the spines from the fourth lumbar vertebra to the proximal one-third of both femurs were retained. The pubic symphysis, bilateral sacroiliac joints and ligaments, bilateral hip joints, bilateral sacrotuberous ligaments, and bilateral sacrospinous ligaments were intact. Tile C pelvic fractures were made on the specimens. The symphysis pubis was fixed with a plate, and the fracture on the posterior pelvic ring was fixed with two kinds of internal fixation in turn. The specimens were placed in a biomechanical machine at a standing neutral posture. A cyclic vertical load of up to 500 N was applied, and displacement was recorded. Shifts in the fracture gap were measured by a grating displacement sensor.</p><p><b>STATISTICAL ANALYSIS USED</b>Paired-samples t-test.</p><p><b>RESULTS</b>Under the vertical load of 100, 200, 300, 400, and 500 N, the average displacement of the specimens fixed with MIAP combined with one IS screw was 0.46, 0.735, 1.377, 1.823, and 2.215 mm, respectively, which was significantly lower than that of specimens fixed with two IS screws under corresponding load (P < 0.05). Under the vertical load of 500 N, the shift in the fracture gap of specimens fixed with MIAP combined with one IS screw was 0.261 ± 0.095 mm, and that of specimens fixed with two IS screws was 0.809 ± 0.170 mm. The difference was significant (P < 0.05).</p><p><b>CONCLUSION</b>The stability of Tile C pelvic fractures fixed with MIAP combined with one IS screw was better than that fixed with two IS screws.</p>
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Adult , Humans , Male , Middle Aged , Bone Screws , Fracture Fixation, Internal , Methods , Fractures, Bone , General Surgery , Pelvic Bones , General SurgeryABSTRACT
To study the variation of six ester-type alkaloids and characteristic fingerprints in the process from Radix Aconite Lateralis to Heishunpian and lay a foundation for the study of the processing principle of Heishunpian, HPLC. analysis was performed on a Phenomenex Gemini C18 (4.6 mm x 250 mm, 5 microm) with acetonitrile and 40 mmol x L(-1) ammonium acetate (adjusted to pH 10 with concentrated ammonia water) as mobile phase. The detection wavelength was set at 235 nm. The flow rate was set at 0.8 mL x min(-1) and the injection volume was 10-20 microL. Six ester-type alkaloids were determined and characteristic fingerprints of the process were established. As the process continues, the contents of diester diterpene alkaloids were decreased step by step, while the contents varia tion of monoester diterpene alkaloids were not obvious. Each sample showed significant difference in characteristic fingerprints. With the exception of 6 known monoester diterpene alkaloids and diester diterpene alkaloids, 13 peaks were marked in the characteristic fingerprints, of which the total change rule of the other 7 unknown peaks were similar with 3 diester diterpene alkaloids. The established method is accurate, reliable and repeatable, and can provide reference for revealing change rule of index components and illuminating processing principle in the process of Heishunpian.
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Aconitine , Chemistry , Aconitum , Chemistry , Alkaloids , Chemistry , Chemistry, Pharmaceutical , Methods , Chromatography, High Pressure Liquid , Drugs, Chinese Herbal , Chemistry , Esters , Chemistry , Molecular StructureABSTRACT
To compare the clinical effect of phacoemulsification and middle incision extracapsular cataract extraction ( Ml-ECCE) . METHODS: One hundred and eighty - five eyes of phacoemulsification (137 cases) and 185 eyes of 139 cases for Ml-ECCE from January 2011 to May 2013 were involved in this study. And the ratio posterior capsular rupture during surgery, visual acuity, corneal edema, corneal astigmatism and intraocular pressure post operation were followed up.RESULTS: On 1d after surgery, uncorrected visual acuity in the group of Ml-ECCE was better than that of phacoemulsification group, while from 3d; 1 and 3mo after surgery, no significant difference was found from the above two groups. On 1d postoperation, corneal edema ratio in phacoemulsification group ( 45 eyes ) was higher than that in Ml-ECCE group(20 eyes) ( X2=11. 665, P=0. 0006 ) . No significant difference was found for the ratio of posterior capsule rupture during surgery in these two surgical technique groups(X2=0. 094,P=0. 759). On 1wk;1 and 3mo after surgery, significant difference was found for the average of surgical induced corneal astigmatism between two groups (u=6. 661, 6. 880, 4. 187, P = 0. 00, respectively ). During following up, no significant difference was found for the intraocular pressure between two groups ( u=1. 858, 0. 963, 0. 471, 1. 349, 1. 388; P= 0. 063, 0. 335, 0. 638, 0. 177, 0. 165). lntraocular pressure on 1d postoperation in phacoemulsification and Ml-ECCE groups was higher than before operation ( u = 19. 86, 19. 39, P = 0. 00, respectively). And on 1wk; 1 and 3mo postoperation, intraocular pressure in the operated eyes in both groups was lower than before operation for 2~3mmHg.CONCLUSlON: Although phacoemulsification and Ml-ECCE could both get good visual rehabilitation, with similar visual outcome, no significant effect for intraocular pressure, and no severe complications, the latter one owns the advantage that easier maneuver, quicker recovery, and cheaper instruments needed, which is suitable for the hard nuclei cataract in local hospitals. Ml-ECCE is a safe, effective and easy manipulation for local hospital for large batch of cataract surgeries.
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Cancer patients always die from local or distant metastasis,Lymphangiogenesis and modification are the two most important factors who contribute to the lymphatic metastasis.So,this article summarize the informations about the role of lymphatic in the process of cancer metastasis on the aspect of molecular mechanism of lymphatic epithelium cells(LEC) in these years all around the world.
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In order to investigate the mechanism, the correlation between the odor change in Crataegi Fructus stir-fried process and 5-HMF were studied. Required samples were retrieved from Crataegi Fructus stir-fried process. Statistical quality control (SQC) was used to analyze the response values acquired by the electronic nose. At the same time, the content of 5-HMF was detected by high performance liquid chromatography (HPLC). Correlation analysis was used to analyze the relationship between the above two. Experimental results showed that SQC model established by response values of all samples could show the change law of odor in Crataegi Fructus stir-fried process and changes of 5-HMF content was dropped after the first increase. Correlation analysis showed that the odor change in Crataegi Fructus stir-fried process and 5-HMF were significantly correlated (P < 0.05). Sugar degradation reaction and the Maillard reaction may be one of the mechanisms of the odor change in Crataegi Fructus stir-fried process.
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Chromatography, High Pressure Liquid , Crataegus , Chemistry , Furaldehyde , Hot Temperature , Odorants , Plant Extracts , Technology, Pharmaceutical , MethodsABSTRACT
<p><b>OBJECTIVE</b>To investigate the effect of obesity, arousal, hypoxia and sympathetic activation on the circadian blood pressure of hypertensive patients with obstructive sleep apnea-hypopnea syndrome.</p><p><b>METHODS</b>Polysomnography (PSG) was performed in 436 hypertensive patients complaining of snoring, daytime sleepiness, lips cyanosis, hyperhemoglobinemia of unknown etiology, or with refractory hypertension. Hypertensive subjects were divided into four groups according to apnea-hypopnea index (AHI): hypertensive with mild obstructive sleep apnea-hypopnea syndrome (OSAHS) (n = 131), hypertensive with moderate OSAHS (n = 95), hypertensive with severe OSAHS (n = 95) and hypertensive without OSAHS as control group (n = 115). The ambulatory blood pressure monitoring (ABPM), PSG, urine electrolyte, and urine vanillylmandelic acid (VMA) were compared among groups. Factor analysis was employed to identify common factors related to the alterations of circadian blood pressure. Multiple linear regression analysis was used to analyze the influencing factors of the observed variables.</p><p><b>RESULTS</b>There were significant differences among groups in age, neck circumference and waist circumference(P < 0.001). In severe group, 24 hour average systolic blood pressure (24 hSBP)[ (137.0 ± 16.8) mm Hg vs.(131.3 ± 11.9)mm Hg, (131.3 ± 13.2)mm Hg (1 mm Hg = 0.133 kPa)], daytime systolic blood pressure (day-SBP) [(140.8 ± 16.8) mm Hg vs. (135.7 ± 11.9) mm Hg, (135.3 ± 13.5) mm Hg]and night systolic blood pressure (night-SBP)[ (130.9 ± 17.0) mm Hg vs.(124.5 ± 14.0 )mm Hg, (124.3 ± 13.2) mm Hg] were significantly higher than those of control or mild OSAS groups (P < 0.01). Factor analysis showed that body mass (BM), life style, urine electrolyte, age and course of disease (ACD) were the common factors influencing circadian blood pressure. OSAHS was correlated with declining percentage of SBP (β = -0.128, P < 0.01) and declining percentage of DBP (β = -0.126, P < 0.01). The contribution according to priority was ACD > OSAHS > BM for declining percentage of SBP (β = -0.148, P = 0.002;β = -0.128, P = 0.007;β = 0.099, P = 0.035), OSAHS > ACD > BM for declining percentage of DBP(β = -0.126, P = 0.008;β = -0.105, P = 0.026;β = 0.097, P = 0.042).</p><p><b>CONCLUSION</b>OSAHS, ACD and BM are the independent risk factors contributing to the alterations of circadian blood pressure in hypertensive patients with obstructive sleep apnea-hypopnea syndrome.</p>
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Adult , Female , Humans , Male , Middle Aged , Blood Pressure , Blood Pressure Determination , Circadian Rhythm , Hypertension , Polysomnography , Sleep Apnea SyndromesABSTRACT
<p><b>OBJECTIVE</b>To assess the association of polymorphisms of PR domain containing 16 gene (PRDM16) with essential hypertension in ethnic Uygur population from Xinjiang, China.</p><p><b>METHODS</b>Functional regions of the PRDM16 gene were sequenced in 48 Uygur subjects with essential hypertension selected from 480 hypertensive patients and 819 normotensive controls. Representative variations were genotyped with TaqMan-PCR method. Association of variations of PRDM16 gene with hypertension was analyzed.</p><p><b>RESULTS</b>For the 4 genotyped representative variations (rs2236518, rs2282198, rs2493292 and rs870171), no significant difference in genotype distribution and allele frequencies has been found between the patient and control groups (P>0.05). By ANOVA analysis, none of the polymorphisms was significantly associated with systolic or diastolic blood pressure (P>0.05). Nor was significant difference in haplotypic frequencies between the two groups detected (P>0.05).</p><p><b>CONCLUSION</b>We have found no association between the four polymorphisms (rs2236518, rs2282198, rs2493292 and rs870171) of the PRDM16 gene with essential hypertension in ethnic Uygur population from Xinjiang.</p>
Subject(s)
Female , Humans , Male , Middle Aged , Asian People , Genetics , Blood Pressure , Genetics , DNA-Binding Proteins , Genetics , Essential Hypertension , Genetic Predisposition to Disease , Genotype , Hypertension , Genetics , Polymorphism, Genetic , Transcription Factors , GeneticsABSTRACT
<p><b>OBJECTIVE</b>To compare the difference of receptor expression between primary and locally recurrent breast tumor tissues, and analyze their impact on survival of the patients.</p><p><b>METHODS</b>The expression of estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor-2 (HER-2) of primary and locally recurrent breast tumor tissues of 70 breast cancer patients were analyzed by immunohistochemistry or fluorescence in situ hybridization. The impact of the differences on overall survival (OS) and post-recurrence survival (PRS) of the patients was analyzed.</p><p><b>RESULTS</b>The effective discrepancy rates between primary and locally recurrent breast cancer tissues were 26.1% (18/69) for ER, 50.0% (34/68) for PR, and 10.3%(4/39) for HER-2 expressions. In the 60 cases who had complete follow-up data, 23 patients (38.3%) died and the median overall survival was 107 months (11-288 months). The 3-, 5- and 10-year overall survival rates were 84.3%, 71.6% and 45.7%, respectively. Kaplan-Meier survival analysis showed that the changes of ER expression had significant impact on the OS (P = 0.001) and PRS (P < 0.001), but PR had no significant effect on OS (P = 0.416) and PRS (P = 0.056). However, the OS and PRS for patients with PR⁺ locally recurrent tumors were better than that of PR⁻ patients regardless of the primary tumor PR status. The expression of HER-2 had no significant effect on the OS (P = 0.840) and PRS (P = 0.544) of the patients.</p><p><b>CONCLUSIONS</b>An expression discrepancy of ER, PR and HER-2 exists between primary and locally recurrent breast cancer tissues, it significantly affects the survival of the patients. Re-evaluation of the expressions of ER, PR and HER-2 receptor in locally recurrent breast tumor tissue is beneficial for their therapy and prognosis.</p>