1.Inhibition mechanism of vitamin D in lung cancer
Journal of International Oncology 2012;39(8):594-597
In recent years a large number of studies have been conducted to investigate the role of vitamin D and its metabolites in cancer.However,the picture for lung cancer is not clear at the present time.There are three integral components of the vitamin D pathway:the vitamin D receptor(VDR),CYP27B1 and CYP24A1.Besides,vitamin D inhibits the carcinogenesis of lung by indirectly influencing IGF signaling,TGF-β signaling,and Wnt/β-catenin signaling pathway.Their differential expressions in normal lung tissue and lung cancer offer clues and lay the foundation for research of the inhibitory function in lung cancer pathogenesis.
2.Relationship between glucose fluctuation state and diabetic chronic complications in type 2 diabete mellitus
Xiaozheng FANG ; Min CHEN ; Manyun ZHANG
Chinese Journal of Primary Medicine and Pharmacy 2009;16(4):599-600
Objective To explore the relation between glucose fluctuation state and diabetic chronic compli-cations in type 2 diabetes mellitus. Methods 169 cases with type 2 diabetes mellitus were divided into two groups: 78 cases with constant high glucose(group Ⅰ) and 91 cases with glucose fluctuation state( group Ⅱ ). The clinical data such as fasting plasma glucose(FBG) ,fasting blood insulin(FINS) ,fasting blood C peptide,2 hours postprandial plasma glucose (2hPG) ,2 hours postprandial blood insuline (2hINS) ,2 hours postprandial blood C peptide, glycosy-lated hemoglobin A1c (HbA1c), and blood pressure (BP), body mass index ( BMI ), urinary albumin excretion rote (UAER) ,triglyeeride(TG) ,total cholesterol(TC) ,high density lipoprotein cholesterol(HDL-C) ,low density lipopro-tein cholesterol(LDL-C) were measured. Results 2hPG in group Ⅱ was much higher than that in group Ⅰ (P<0.01) ,but 2 hours postprandial blood insuline and 2 hours postprandial blood C peptide in group Ⅱ were much lower than those in group Ⅰ (P<0.01). The incidence of diabetic chronic complications was higher in group Ⅱ compared with that in group Ⅰ (P<0.01). Conclusion These findings suggest that glucose fluctuation state with type 2 dia-betes mellitus had increased diabetic chronic complications.
3.Clinical analysis between the obese and non-obese patients with type 2 diabetes mellitus
Min CHEN ; Xiaozheng FANG ; Manyun ZHANG
Chinese Journal of Primary Medicine and Pharmacy 2008;15(11):1772-1773
Objective To comprehend the metabolic disorder of the obese patients with type 2 diabetes mellitus(T2DM).Methods According to body mass index( BMI),176 cases of T2DM were divided into 2 groups;obesity(95 cases) and non-obesity(81 cases),the waist circumference(W) ,hip circumference(H) ,fasting plasma glucose(FBG) ,2-hour postprandial plasma glucose(2hBG) ,fasting blood insulin(FINS),2 hours postprandial blood insuline(2hINS), renal function, triglycetide(TG), total cholesterol(TC), high density lipoprotein cholesterol(HDL-C),low density lipoprotein-cholesterol(LDL-C ), glycosylated hemoglobin(HbA1c) and blood pressure(BP) were tested.Results The BMI,the ratio of W/H (WHR), serum uric acid (BUA), FINS, 2bINS, FCP and 2hCP in the obese group were higher than those in non-obese group(P <0.01);systolic blood pressure and diastolic blood pressure in obese patients were higher than those in the non-obese group(P >0.05) ,while the prevalence of abdorminal obesity.Hypertension significantly increased in obese group than those in non-obese group.Conclusion Among the T2DM ,metabolic disorder in obese patients is even more serious.It is very improtant for obese patients with T2DM to be given combined treatment to improve the metabolic disorder,that includes controlling blood glucose, decreasing weight and lightening insulin resistance.
4.Effects of berberine on mRNA expression of 11β-Hydroxysteroid dehydrogenase type Ⅰ in insulin-resistant HepG2 cells
Xin NIE ; Lulu CHEN ; Kunquan GUO ; Xiaozheng WANG
Journal of Chinese Physician 2012;14(7):874-877,880
Objective To investigate the effect of berberine on glucose absorption and mRNA expression of 11 β-hydroxysteroid dehydrogenase type 1 ( 11β-HSD1 ) in insulin-resistant HepG2 cell model.Methods HepG2 cells were incubated with high-concentration insulin for 24 hours to build insulin-resistant cell model.In order to evaluate the cells for insulin resistance,the cells were cultured with different concentrations of insulin for 24 hours.The insulin-resistant cells were treated with different concentrations of berberine and insulin for 24 hours and the non insulin-resistant cells were used as a control.The glucose concentration in culture medium was detected by the method of glucose oxidase-peroxidase (GOD-POD).According to the glucose concentrations in blank medium and those in the medium of culturing cells 24 hours later,the rate of absorpting glucose by the cells was calculated.The mRNA expression of 11β-HSD1 in the insulin-resistant cells was detected by the reverse transcription polymerase chain reaction (RT-PCR).Results Incubated with 10-7mol/L insulin for 24 h,the insulin-resistant cell model had been built.The rate of glucose absorption of the model cell treated with high concentration berberine ( 10 μmol/L) was significantly improved [(42.53 ±1.99)% vs (28.16±1.99)%,t =12.9457,P <0.01].High-concentration berberine showed a strong synergy with insulin on glucose absorption of the model cells.As the cells became resistant to insulin,the mRNA expression of 11β-HSD1 increased significantly compared to non insulin-resistant cells( relative expression quantity was (4.60 ±0.96 vs 0.67 ±0.42,t =4.9476,P <0.05 ).While the mRNA expression of 11β-HSD1 reduced in the insulin-resistant cells after treated with high-concentration berberine,and the relative expression quantity was not significantly different with non insulin-resistant cells ( 1.12 ±0.35 vs 0.67 ±0.42,P >0.05).However,low-concentration ( 1 μmol/L) of berberine had not the same role.Conclusions It is concluded that one of the acting mechanism of berberine improving the insulin sensitivity may be that the mRNA expression of 11β-HSD1 is downregulated in the insulin-resist-ant liver cell model depending on concentration.
5.Relationship between hypertension and cognitive function in patients with type 2 diabetes mellitus
Zhenghong LU ; Wei TANG ; Xiaozheng FANG ; Min CHEN ; Yongfang ZHU ; Xueqin LI ; Juan TAN
Chinese Journal of Endocrinology and Metabolism 2013;(5):403-406
[Summary] The relationship between the state of cognition and hypertension in 155 type 2 diabetic patients was studied.The results showed that significant difference in the state of cognition was found in patients with or without hypertension,so as to those with poorly or well controlled hypertension (P<0.05).Systolic blood pressure,pulse pressure,mean arterial blood pressure,and duration of hypertension were negatively correlated with multiple cognitive domains,suggesting that proper control of blood pressure may have a protective effect on cognitive function in type 2 diabetic patients.
6.Anesthesia for esophagectomy.
Xiaozheng KANG ; Zhiyi FAN ; Keneng CHEN
Chinese Journal of Gastrointestinal Surgery 2014;17(9):945-950
Esophagectomy is one of the most complicated procedures. Satisfactory anesthesia not only ensures the safety in terms of low morbidity and mortality postoperatively, but also one of the potential factors relevant to long-term survival. Most of physicians, however, ignore the significance of anesthesia. This article focuses on the recent advances of anesthesia for esophagectomy in preoperative preparation for induction, rapid-sequence induction, one-lung ventilation, fluid management during surgery and postoperative early extubation and analgesia.
Analgesia
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Anesthesia
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methods
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Esophagectomy
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methods
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Fluid Therapy
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Humans
7.Advances in Modern Research on the Liver Function in Traditional Chinese Medicine and its Association with Other Organs
Xiaozheng XIE ; Mengdie YANG ; Jian CHEN ; Shibing SU
World Science and Technology-Modernization of Traditional Chinese Medicine 2018;20(12):2185-2190
The liver in the traditional Chinese medicine (TCM) theory of visceral manifestation has rich connotations. Thestructure and function of liver differed from that of liver in modern recognition. Research on TCM theory has partiallyexplained the liver theory. The function of controlling dispersion of liver was associated with neuro-endocrine-immunesystem, liver sinus endothelial function, and metallothionein, etc. While the activity of storing blood of liver related withblood coagulation factors, anticoagulant and so on. The functional interaction between Zang-organ and Fu-organ maycorrelate with the lung-liver axis and liver-intestine axis. The review summarized the modern explanation on liverfunction in TCM and its relationship with Fu-organs to help the development of TCM basic theory in liver function.
8.Analysis of 19 cases undergoing reoperation for complications following esophagectomy.
Yongbo YANG ; Wanpu YAN ; Hongchao XIONG ; Zhen LIANG ; Liang DAI ; Xiaozheng KANG ; Heli YANG ; Keneng CHEN
Chinese Journal of Gastrointestinal Surgery 2014;17(5):492-494
OBJECTIVETo investigate the cause and the management of treatment and prevention of reoperation following esophagectomy.
METHODSClinical data of 946 cases with esophageal cancer undergoing esophagectomy from January 2000 to December 2012 by the same surgical team in the Beijing Cancer Hospital were retrospectively analyzed. Among them, 19 patients underwent reoperation after esophagectomy because of serious complications. Clinical features and treatment course of these 19 cases were summarized.
RESULTSThe indications and procedures of reoperation included thoracotomy for hemorrhage (n=4), diaphragmatic hernia repair (n=4), thoracic duct ligation for chylothorax (n= 4), re-suturing for incision dehiscence (n=4), re-laparotomy and re-thoracotomy for drainage of traumatic pancreatitis (n=1), re-laparotomy for intestinal obstruction (n=1), and tracheotomy for bilateral recurrent laryngeal nerve paralysis (n=1). All the 19 patients were successfully cured without perioperative deaths and further complications.
CONCLUSIONSThe indications of reoperation following esophagectomy include postoperative bleeding, diaphragmatic hernia, chylothorax and abdominal incision dehiscence.
Adult ; Aged ; Aged, 80 and over ; Esophageal Neoplasms ; surgery ; Female ; Humans ; Male ; Middle Aged ; Postoperative Complications ; Reoperation ; Retrospective Studies
9.Relation of preoperative serum thyroglobulin concentration and aggressive behavior of papillary thyroid cancer
Juan TAN ; Min SHI ; Yongfang ZHU ; Min CHEN ; Zhenghong LU ; Xiaozheng FANG
Chinese Journal of Endocrine Surgery 2018;12(5):395-399
Objective To evaluate the association between preoperative serum thyroglobulin concentration and aggressive behavior of papillary thyroid cancer(PTC).Methods A total of 334 PTC patients diagnosed by surgical pathology treated in our hospital from Jan.2013 to Dec.2017 were retrospectively reviewed.Patients were divided into two groups according to Tg levels and clinicopathological characteristics between the two groups were compared.Binary logistic regression analysis was conducted to evaluate the factors influencing extrathyroidal extension and lymph node metastasis of PTC.Results High level of preoperative serum Tg was signifcantly associated with old age,multifocality,larger maximum tumor size,more frequent extrathyroidal extension,lymph node metastasis,and advanced T and TNM stage(P<0.05).Maximum tumor diameter >2 cm(P=0.031) and preoperative serum Tg level >17.21 ng/ml(P=0.028) were independent risk factors for extrathyroidal extension.Maximum tumor diameter >2 cm(P=0.007) and preoperative serum Tg levels >25.40 ng/ml (P=0.016) were independent risk factors for lymph node metastasis,whereas female was a significant protective predictive factor(P<0.001).Conclusion Preoperative serum Tg levels may serve as an independent risk marker for extrathyroidal extension and lymph node metastasis of PTC,and partly contributes to predict aggressive behavior of PTC.
10.Relationship between childhood obstructive sleep apnea-hypopnea syndrome and tympanogram.
Xiaozheng HE ; Yaodong XU ; Xiangfeng LIANG ; Ling CHEN ; Xianghui LI ; Zeheng QIU
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2007;21(10):455-456
OBJECTIVE:
To explore the correlation between childhood obstructive sleep apnea-hypopnea syndrome and tympanogram.
METHOD:
A prospective clinical study was carried out. Polysomnography and tympanogram were analyzed in 72 cases.
RESULT:
Among the 144 ears 37 ears had type C or B tympanogram. There was no correlation between tympanogram and LSaO2. It was found correlation between tympanogram and AHI (P < 0.05).
CONCLUSION
Hypoxemia may affect middle-ear function. It was necessary to do the examination of acoustic impedance routinely in children with moderate and severe OSAHS.
Acoustic Impedance Tests
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Child
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Child, Preschool
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Ear, Middle
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physiopathology
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Female
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Humans
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Male
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Prospective Studies
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Sleep Apnea, Obstructive
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physiopathology