1.CORRELATIONS BETWEEN BLOOD PRESSURE AND BODY WEIGHT, SERUM LEPTIN IN HIGH CALORIE DIET-INDUCED OBESE RATS
Zhi HU ; Aiqun MA ; Chun YANG ; Hongyan TIAN
Journal of Pharmaceutical Analysis 2006;18(2):183-186
Objective To examine the change of body weight (BW) and blood pressure (BP) in obese rats, clarify relationships between BP and BW and other factors. Methods Male Spraque-Dawley rats were fed either with normal diet (ND) or high calorie diet (HC) for 20 weeks. BW and BP of tail artery were observed biweekly and tetraweekly respectively; serum leptin and fasting insulin (FINS) were detected by enzyme-linked immunoadsordent assay (ELISA) and radioimmunoassay (RIA) respectively. Fasting plasma glucose (FPG) and free fatty acid(FFA) were measured by conventional means. Results BW, abdominal fat weight (AFW), ratio of abdominal fat weight to body weight (RF/W), systolic blood pressure (SBP), diastolic blood pressure (DBP), serum levels of leptin and FINS, FPG, FFA increased in the HD group after 20 weeks diet intervention (P<0.05 or P<0.01). SBP was strongly correlated with BW, leptin, FINS and FFA (P<0.05), DBP was correlated with FFA (r=0.47, P<0.05). In addition, leptin was positively correlated with BW, AFW, RF/W, FINS and FFA (P<0.05 or P<0.01). Conclusion In this study of high calorie-diet induced rats, the gain of BW is accompanied by increased BP. The obese rats have hyperleptinemia, hyperinsulinemia, hyperglycemia and dyslipidemia which may have important effects on the development of obesity-related hypertension. RF/W is the key factor in which affect serum leptin level.
2.Perioperative intervention of tetramethylpyrazine on free skin flap transplantation.
Wen-long MA ; Chun-sheng CHENG ; Zhi-wei ZHAO
Chinese Journal of Integrated Traditional and Western Medicine 2010;30(7):714-716
OBJECTIVETo study the impacts of tetramethylpyrazine (TMP) intervention on hemorheology and blood coagulation before and after free skin flap transplantation, in order to provide new clues of applying Chinese drugs for activating blood circulation and removing stasis in microsurgery.
METHODSSixty patients undergoing free skin flap transplantation were randomly and equally assigned to two groups, the treatment group administered with tetramethylpyrazine, the control group with low molecular dextran, both were treated for 7 days. The survival rate of transplanted flap, hemorrheologic parameters and four blood coagulation associated indices (prothrombin time, thrombin time, activated prothrombin time and fibrinogen) were detected before and after treatment.
RESULTSComparisons of clinical efficacy and hemorrheologic indices showed no significant difference between the two groups (P > 0.05), but TMP showed less impacts on the four blood coagulation associated indices at the 24, 48 and 72 h after operation (P < 0.05).
CONCLUSIONTMP could prevent blood vessel crisis after free skin flap transplantation, so it is valuable in microsurgical clinical application.
Adult ; Female ; Hand Injuries ; drug therapy ; surgery ; Hemorheology ; drug effects ; Humans ; Male ; Microsurgery ; methods ; Middle Aged ; Perioperative Period ; Phytotherapy ; Pyrazines ; therapeutic use ; Surgical Flaps ; transplantation ; Young Adult
3.Therapeutic effect of early applying hydrotherapy with Chinese drugs on children hypoxic ischemic encephalopathy.
Yun-Zhi MA ; Hong-Yin ZHAI ; Chun-Ya SU
Chinese Journal of Integrated Traditional and Western Medicine 2009;29(2):130-132
OBJECTIVETo observe the therapeutic effect of hydrotherapy with Chinese drugs (HT-C) in early intervention on children hypoxic ischemic encephalopathy (HIE).
METHODSHIE children were assigned to the treatment group and the control group, 50 in each, at random depending on the willingness of patients' parents. Both groups received the conventional functional training, according to the "0 -3-year-old early intervention outline", but for the treatment group, HT-C was applied additionally. Indexes for quality of sleep, gross motor function, severity of spasm and intellectual development were observed and compared before and after treatment to assess the therapeutic effects.
RESULTSTherapeutic effect in the treatment group was better than that in the control group in all the indexes observed, showing statistical significance (all P <0.05).
CONCLUSIONEarly intervention of HT-C could improve clinical symptom, promote the functional recovery and intellectual development in children HIE, and also could reduce or prevent the sequelae occurrence of the nervous system in them.
Administration, Cutaneous ; Combined Modality Therapy ; Drugs, Chinese Herbal ; administration & dosage ; Female ; Humans ; Hydrotherapy ; methods ; Hypoxia-Ischemia, Brain ; therapy ; Infant ; Infant, Newborn ; Male ; Massage ; Phytotherapy ; Time Factors
4.Laparoscopic and endoscopic cooperative partial gastrectomy in the treatment of submucosal gastric neoplasms.
Zhi-qiang MA ; Jian-chun YU ; Wei-ming KANG
Acta Academiae Medicinae Sinicae 2012;34(2):159-163
OBJECTIVETo evaluate the feasibility of laparoscopic and endoscopic cooperative partial gastrectomy,a minimally invasive surgery, in treating gastric submucosa lesion.
METHODSWe retrospectively analyzed 63 patients [34 women and 29 men, aged (52.8±18.1) years (range:14 to 78 years)] who had undergone laparoscopic and endoscopic cooperative partial gastrectomy with preserving cardia and pylorus for gastric submucosal tumor in the past 6 years. All of the patients were followed up for 2-69 months (average 35 months). The clinicopathological data, surgical approaches, and follow-up results were analyzed.
RESULTSThe surgery was successfully performed in all these 63 patients, among whom 61 were assisted by endoscopy. The most common symptom was dyspepsia. The mean distance from the lesions locating at fundus or antrum to cardia or pylorus was(2.9±1.1)cm. The minimum distance from tumor edge to cardia was 1cm. The diseases included gastrointestinal stromal tumor (n=54), carcinoid tumors (n=3), ectopic pancreas (n=2), lipoma (n=2), and leiomyoma (n=2). The tumor size ranged from 0.8 to 8.2cm, with 44 lesions (69.8%) less than 2cm. Forty-five lesions(71.4%) were located at fundus, 12 (19.0%) at body, and 6 (9.6%) at antrum. No recurrence or death was noted during follow-up.
CONCLUSIONSLaparoscopic and endoscopic cooperative partial gastrectomy is feasible for treating gastric submucosal tumor. Endoscopy is useful for intraoperative localization and supporting, and therefore is especially helpful for preserving cardia and pylorus.
Adolescent ; Adult ; Aged ; Female ; Follow-Up Studies ; Gastrectomy ; methods ; Gastric Mucosa ; pathology ; Gastroscopy ; Humans ; Laparoscopy ; Male ; Middle Aged ; Prognosis ; Retrospective Studies ; Stomach Neoplasms ; pathology ; surgery ; Young Adult
5.Effect of Neoadjuvant Chemotherapy Treatment on Prognosis of Patients with Advanced Gastric Cancer: a Retrospective Study.
Shu-bo TIAN ; Jian-chun YU ; Wei-ming KANG ; Zhi-qiang MA ; Xin YE ; Chao YAN ; Ya-kai HUANG
Chinese Medical Sciences Journal 2015;30(2):84-89
OBJECTIVETo evaluate the prognostic effects of neoadjuvant chemotherapy (NAC) in patients with local advanced gastric cancer.
METHODSWe retrospectively analyzed prognosis in 191 patients with advanced gastric cancer, of whom 71 were treated with NAC and 120 received surgery only between February 2007 and July 2013. Postoperative complication rate was recorded. Survival by clinicopathological features, pathological T and N stages, and histopathological tumor regression was retrospectively compared between the two groups.
RESULTSAccording to Response Evaluation Criteria in Solid Tumors, none of the 71 patients in the NAC followed by surgery group showed complete response, 36 showed partial response, 25 had stable disease, and 10 had progressive disease. The chemotherapy response rate was 50.7%; the disease control rate was 85.9%. Grade 3/4 adverse events were seen in less than 20% patients, with acceptable toxicities. No difference was found in the overall postoperative complication rates between the two groups (7 versus 22 cases, P=0.18). Median survival time was significantly different, at 54 months in the NAC combined with surgery group and 25 months in the surgery-only group (P=0.025).
CONCLUSIONIn patients with operable gastric adenocarcinomas, NAC can significantly improve overall survival without increasing surgical complications.
Adult ; Aged ; Female ; Humans ; Male ; Middle Aged ; Neoadjuvant Therapy ; Prognosis ; Retrospective Studies ; Stomach Neoplasms ; drug therapy ; mortality ; pathology
6.Recent progress in interferon induced protein GBP1 research.
Zi-Xiang ZHU ; Yang-Chun CAO ; Wei-Jun CAO ; Fan YANG ; Zhi-Yong MA ; Hai-Xue ZHENG
Chinese Journal of Virology 2014;30(4):456-462
Guanylate-binding protein 1 (GBP1) is an interferon induced protein, that belongs to the guany late-binding protein family. GBP1 is widely involved in anti-infection immune responses, anti-tumor activity and various biological reactions. Recent studies have proved that IFN-alpha, IFN-beta, IFN-gamma, IL1alpha, IL1beta, TNF-alpha and LPS can induce GBP1 expression; hence, the diverse biological functions of GBP1 have been gradually deduced and exploited. Many studies have been performed over recent years to understand the exact mechanisms that underlie the anti-infection and anti-tumor properties of GBP1. This review describes the molecular structure, biological activity, anti-infective properties and other functions of GBP1, in order to provide insights into the divergent roles of GBP1 in the regulation of various biological processes.
Animals
;
Antineoplastic Agents
;
metabolism
;
Antiviral Agents
;
metabolism
;
GTP-Binding Proteins
;
chemistry
;
genetics
;
metabolism
;
Humans
;
Interferons
;
genetics
;
metabolism
7.Abrogation of heat-shock protein (HSP)70 expression induced cell growth inhibition and apoptosis in human androgen-independent prostate cancer cell line PC-3m.
Zhi-Gang ZHAO ; Qing-Zheng MA ; Chun-Xiao XU
Asian Journal of Andrology 2004;6(4):319-324
AIMTo investigate the effect of abrogating heat shock protein (HSP) 70 expression by antisense HSP70 oligonucleotides treatment on human androgen-independent prostate cancer cell line PC-3m growth.
METHODSPC-3m cells were treated with 0-16 mmol/L antisense HSP70 oligomers for 0-100 hr. Cell growth inhibition was analyzed using a trypan blue dye exclusion test. Apoptotic cells were detected and confirmed by flow cytometric analysis and DNA fragmentation analysis. The protein expression of HSP70 and bcl-2 affected by antisense HSP70 oligomers were determined using Western blot.
RESULTSAntisense HSP70 oligomer induced apoptosis and then inhibited proliferation of PC-3m cells in a dose- and time-dependent manner. Ladder-like patterns of DNA fragments were observed in PC-3m cells treated with 10 mmol/L antisense HSP70 oligomer for 48 hr or 8 mmol/L for 72 hr on agarose gel electrophoresis. Antisense HSP70 oligomer pretreatment enhanced the subsequent induction of apoptosis by heat shock in PC-3m cells. In addition, undetectable HSP70 expression was observed at a concentration of 10 mmol/L antisense HSP70 oligomer treatment for 48 hr or 8 mmol/L for 72 hr in Western blot, which was paralleled by decreased expression levels of anti-apoptotic protein bcl-2.
CONCLUSIONHSP70 antisense oligomer treatment abrogates the expression of HSP70, which may disrupt HSP70-bcl-2-interactions and further down-regulate bcl-2 expression, in turn inducing apoptosis and inhibiting cell growth in PC-3m cells.
Androgens ; physiology ; Apoptosis ; drug effects ; physiology ; Blotting, Western ; Cell Cycle ; drug effects ; Cell Line, Tumor ; Cell Proliferation ; drug effects ; DNA, Neoplasm ; biosynthesis ; isolation & purification ; Dose-Response Relationship, Drug ; Electrophoresis, Agar Gel ; HSP70 Heat-Shock Proteins ; biosynthesis ; Humans ; Kinetics ; Male ; Oligonucleotides, Antisense ; pharmacology ; Prostatic Neoplasms ; metabolism ; pathology
8.Research advances in the gut microbiota and inflammation in obesity.
Zhan-jiang CAO ; Jian-chun YU ; Wei-ming KANG ; Zhi-qiang MA
Acta Academiae Medicinae Sinicae 2013;35(4):462-465
Human gut microbiota plays a key role in the development of obesity. Intestinal flora can regulate energy absorption and nutrition metabolism, increasing the energy harvesting from diet. Alteration of gut flora produces excessive lipopolysaccharide, which, when absorbed into the blood, can induce inflammatory reactions and promote the high-fat diet-associated obesity and metabolic syndrome. Intestinal flora increase visceral fat deposition by lowering the expression of Fiaf in intestinal mucosa. Different immune status also affects the intestinal flora.The gut microbiota is hypothesized to be an environmental factor that contributes to obesity; by interacting with factors such as host and diet, it adjusts the energy metabolism. Antibiotics or probiotics may alter the composition of intestinal microflora and improve the metabolic syndrome, and thus provides new treatment options.
Animals
;
Diet, High-Fat
;
Gastrointestinal Tract
;
microbiology
;
Humans
;
Inflammation
;
etiology
;
Mice
;
Obesity
;
microbiology
;
therapy
;
Probiotics
;
therapeutic use
9.Iodine nutrition and thyroid diseases.
Lian WU ; Jian-chun YU ; Wei-ming KANG ; Zhi-qiang MA
Acta Academiae Medicinae Sinicae 2013;35(4):363-368
Iodine, an essential component of the hormones produced by the thyroid gland, is widely but unevenly distributed in the earth's environment. Great difference exists in the iodine nutritional status of populations residing in different region. Both iodine deficiency and iodine excess can injure the thyroid gland. Iodine deficiency tigers endemic goiter, cretinism, and hyperthyroidism, while iodine excess can result in high iodine goiter, chronic lymphocytic thyroiditis, iodine-induced hyperthyroidism, and hypothyroidism; also, iodine deficiency or excess may affect the histological type of thyroid cancer. In 1996, China began to implement the universal salt iodization policy, which has basically eliminated the iodine deficiency disorders nationwide; however, it also caused the changes in the spectra of other thyroid diseases including iodine-induced hyperthyroidism, autoimmune thyroid disease, and papillary thyroid carcinoma. Individualized iodine nutritional status assessment for the populations, particularly those with thyroid diseases, will be beneficial.
China
;
epidemiology
;
Humans
;
Iodine
;
administration & dosage
;
adverse effects
;
deficiency
;
Sodium Chloride, Dietary
;
adverse effects
;
Thyroid Diseases
;
epidemiology
;
etiology
10.Determination of the inhibitory activity of angiotensin-converting enzyme inhibitor captopril by high performance capillary electrophoresis.
Zhi-hong XIN ; Hai-le MA ; Shou-yi WU ; Chun-hua DAI
Acta Pharmaceutica Sinica 2003;38(11):843-845
AIMTo establish a method for determinate of the inhibitory activity of angiotensin-converting enzyme inhibitor captopril by high performance capillary electrophoresis.
METHODSThe characteristic absorptive wavelength of hippuric acid determined by ultraviolet spectrophotometer is 228 nm. The method employed a melted capillary column, 50 mmol.L-1 phosphoric acid (pH 8.3) buffer solution, inject pressure 4.8 kPa, inject time 3 s, separation voltage 20 kV and detection wavelength 228 nm.
RESULTSThe reactant and resultant was separated completed within 7 min. IC50 of captopril was 0.019 mumol.L-1. Captopril is a competitive inhibitor, which was proved by enzyme reaction dynamics.
CONCLUSIONThe method was shown to be accurate, simple and rapid and can be used for determination of the inhibitory activity of captopril.
Angiotensin-Converting Enzyme Inhibitors ; pharmacology ; Captopril ; pharmacology ; Electrophoresis, Capillary ; methods ; Hippurates ; analysis ; Peptidyl-Dipeptidase A ; metabolism