Rationale: Spontaneous isolated dissection of the superior mesenteric artery (SID-SMA) is a rare arterial disease that is difficult to differentiate from other diseases because of lack of specific clinical manifestation and for which there is no available optimal management strategy.
Patient Concerns: A 58-year-old male patient visited our emergency room with sudden onset of moderate-severe epigastric abdominal pain of uncertain cause.
Diagnoses: Computed tomography scanning showed a characteristic "double lumen sign" of the superior mesenteric artery, and further computed tomography angiography findings revealed a dissected segment of the superior mesenteric artery.
In this study, we investigate the morphologic changes of enteric nerve system (ENS) and the expression of neurotransmitters, acetylcholine (ACh), substance P (SP), vasoactive intestinal peptide (VIP) and nitric oxide synthase (NOS), in small bowel of rats undergoing multiple organ dysfunction syndrome (MODS). Undergoing MODS, fluorescence integral optical density (IOD) value of enteric nerve fibers were significantly decreased (P<0.05), and the network structure of ENS was destroyed.
View Article and Find Full Text PDFObjective: This study aims to elucidate the roles of PD-1, Tim-3 and CTLA-4 in sepsis.
Methods: Sepsis patients (n = 182) were selected as sepsis group and divided into three subgroups: mild sepsis group, severe sepsis group and septic shock group; 185 healthy volunteers were enrolled as control group. Flow cytometry and blood routine examination were performed for T lymphocytes and surface co-stimulatory molecules expressions.
Objective: To investigate the correlation between serum S100B level and carbon monoxide (CO) poisoning by meta-analysis.
Methods: By searching both English and Chinese language-based electronic databases (PubMed, EBSCO, Ovid, Springerlink, Wiley, Web of Science, Wanfang databases, China national knowledge infrastructure (CNKI), VIP database, etc.) thoroughly, we tabulated and analyzed the collected data with the use of Comprehensive Meta-analysis 2.
Objective: To observe the morphological changes in enteric nerve system (ENS) of rats with multiple organ dysfunction syndrome (MODS) treated by Dachengqi Decoction (, DCQD).
Methods: Fifty Wistar rats were randomly assigned to the control group, MODS model group and DCQD treated group. The rats in MODS model group and DCQD treated group were injected Escherichia coli (E.
Objective: To explore the repair of Xiangsha Liujunzi Decoction (XSLJZD) on interstitial cells of Cajal (ICC) and gap junction (GJ) in the gastric muscular layer of rats of Pi-qi deficiency syn- drome (PQDS).
Methods: PQDS was established using purgative method with bitter and cold drugs in 30 healthy Wistar rats. After successful modeling they were randomly divided into the treatment group and the model group, 15 in each group.
Wistar rats were randomly divided into control group, multiple organ dysfunction syndrome (MODS) group, and Da-Cheng-Qi decoction (DCQD) group. The network of enteric nerves-interstitial cells of Cajal- (ICC-) smooth muscle cells (SMC) in small intestine was observed using confocal laser scanning microscopy and transmission electron microscopy. The results showed that the numbers of cholinergic/nitriergic nerves, and the deep muscular plexus of ICC (ICC-DMP) and connexin43 (Cx43) in small intestine with MODS were significantly decreased.
View Article and Find Full Text PDFMany studies have evaluated the association between serum levels of mannose-binding lectin (MBL) and sepsis; however, the findings are inconclusive and conflicting. For a better understanding of MBL in sepsis, we conducted a comprehensive meta-analysis. Potential relevant studies were identified covering Science Citation Index, the Cochrane Library, PubMed, Embase, CINAHL, and Current Contents Index databases.
View Article and Find Full Text PDFZhongguo Zhong Xi Yi Jie He Za Zhi
May 2014
Objective: To observe the intervention of Dachengqi Granule (DG) on the apoptosis of small intestine smooth muscle cells (SMCs) in rats with multiple organ dysfunction syndrome (MODS) and its mechanisms.
Methods: Healthy 100 adult Wistar rats were randomly divided into the control group (n =20), the MODS model group (n =40), and the DG group (n =40).E.
Objective: To observe the effects of Dachengqi Decoction (大承气汤, DCQD) on morphological changes in the network of enteric nerve-interstitial cells of Cajal (ICCs)-smooth muscle cells (SMC) of enteric deep muscular plexuses (DMP) in the rats with multiple organ dysfunction syndrome (MODS).
Methods: One hundred Wistar rats of both sexes weighing 200 to 250 g were randomly divided into the control group, MODS group, and DCQD group. The morphologic changes of enteric nerve-ICC-SMC network in the DMP of intestine was observed using c-Kit and vesicular acetylcholine transporter/neuronal nitric oxide synthase immunohistochemical double-staining with whole-mount preparation technique, confocal laser scanning microscopy, and electron microscopy.
Aim: To systematically investigate if cGMP/cGMP-dependent protein kinase G (PKG) signaling pathway may participate in dendroaspis natriuretic peptide (DNP)-induced relaxation of gastric circular smooth muscle.
Methods: The content of cGMP in guinea pig gastric antral smooth muscle tissue and perfusion solution were measured using radioimmunoassay; spontaneous contraction of gastric antral circular muscles recorded using a 4-channel physiograph; and Ca(2+)-activated K(+) currents (I(K(Ca))) and spontaneous transient outward currents (STOCs) in isolated gastric antral myocytes were recorded using the whole-cell patch clamp technique.
Results: DNP markedly enhanced cGMP levels in gastric antral smooth muscle tissue and in the perfusion medium.
In this study, we sought to investigate the effect of dendroaspis natriuretic peptide (DNP) on calcium-activated potassium current (I K(Ca)) and its mechanism in gastric antral circular smooth muscle cells (SMCs) using the whole-cell patch-clamp technique. DNP concentration-dependently increased macroscopic I K(Ca) and spontaneous transient outward currents (STOCs) in freshly isolated guinea pig gastric antral circular SMCs. The effects of DNP on I K(Ca) and/or STOCs were not blocked by applying calcium-free bath solution or the ryanodine receptor (RyR) antagonist ryanodine (10 microM), but they were inhibited by the inositol triphosphate receptor (IP3R) inhibitor heparin or the guanylate cyclase inhibitor LY83583.
View Article and Find Full Text PDFAim: To analyze the frequency of hereditary non-polyposis colorectal cancer (HNPCC) in Chinese colorectal cancer (CRC) patients, and to discuss the value of microsatellite instability (MSI) and/or immunohistochemistry (IHC) for MSH2/MLH1 protein analysis as pre-screening tests in China.
Methods: The Amsterdam criteria I and II (clinical diagnosis) and/or germline hMLH1/hMSH2 mutations (genetic diagnosis) were used to classify HNPCC families. Genetic tests, including microsatellite instability, immunohistochemistry for MSH2/MLH1 proteins and hMSH2/hMLH1 genes, were performed in each proband.
In order to examine the effects of Da-Cheng-Qi-Tang (DCQT) on gastrointestinal motility functions after abdominal surgery in humans, 33 patients with abdominal surgeries and 36 patients with cholecystectomies were divided into the DCQT and the control groups at random. Electrogastrography (EGG) and gastroduodenojejunal manometry was performed and the levels of plasma motilin were measured by radioimmunoassay. The results were as follows: (1) on the day of surgery, the ratio of EGG normal frequency in the DCQT group was higher than in the control group (P=0.
View Article and Find Full Text PDFZhongguo Wei Zhong Bing Ji Jiu Yi Xue
January 2007
Objective: To study the role of the polymorphonuclear neutrophil (PMN) apoptosis and expression of Fas and caspase-3 in the systemic inflammatory response syndrome (SIRS).
Methods: Eight acute pancreatitis patients with SIRS, 6 healthy control subjects were enrolled to study apoptosis of PMN in peripheral blood samples, expression of Fas/Fas ligand (FasL) and caspase-3 in the PMN, the levels of serum interleukin-6 (IL-6) and IL-8 were observed.
Results: Spontaneous apoptosis was significantly delayed in PMN from the SIRS patients with higher serum IL-6 and IL-8 levels compared with controls (both P<0.
Zhongguo Zhong Xi Yi Jie He Za Zhi
December 2004
Objective: To observe the effect of emodin on motility signal transduction and calcium ion in colonic smooth muscle cells (SMC) in rats with bacterial peritonitis caused multiple organ dysfunction syndrome (MODS).
Methods: Observation was conducted in colon of MODS model rats on (1) effects of emodin on the contraction of muscular strip and cells of colonic smooth muscle, and influences of specific myoglobulin light chain kinase inhibitor (ML-7) and selective proteinkinase C inhibitor (Calphostin C) on these effects; and (2) effect of emodin on calcium ion in SMC.
Results: Emodin could directly contract the muscular strip and cells of smooth muscle; ML-7 and Calphostine could inhibit these contractile action to some extent.
Aim: To investigate the effects induced by emodin on single smooth muscle cells from rat colon in vitro, and to determine the signal pathways involved.
Methods: Cells were isolated from the muscle layers of Wistar rat colon by enzymatic digestion. Cell length was measured by computerized image micrometry.
Zhongguo Zhong Xi Yi Jie He Za Zhi
January 2004
Objective: To study the therapeutic effect and mechanism of Dachengqi granule (DCQG) on some digestive motility disturbed diseases.
Methods: Gastroduodenojejunal manometry, electrogastrography (EGG), RIA of motilin and orocecal transit time test were applied to directly observe the effect of DCQG on human gastrointestinal motility.
Results: DCQG could significantly improve the postoperational EGG disorder, elevate the amplitude and time of migrating motor complex (MMC) phase III, prevent gastrointestinal reversed peristalsis, increase the blood level of motilin, decrease the orocecal transit time, and promote the recovery of gastrointestinal motility.
World J Gastroenterol
September 2003
Aim: To determine the efficacy and long-term outcome of biofeedback treatment for chronic idiopathic constipation and to compare the efficacy of two modes of biofeedback (EMG-based and manometry-based biofeedback).
Methods: Fifty consecutive contactable patients included 8 cases of slow transit constipation, 36 cases of anorectic outlet obstruction and 6 cases of mixed constipation. Two modes of biofeedback were used for these 50 patients, 30 of whom had EMG-based biofeedback, and 20 had manometry-based biofeedback.
Aim: To investigate whether emodin has any effects on circular smooth muscle cells of rat colon and to examine the mechanism underlying its effect.
Methods: Smooth muscle cells were isolated from the circular muscle layer of Wistar rat colon and the cell length was measured by computerized image micrometry. Intracellular Ca(2+) ([Ca(2+)]i) signalling was studied in smooth muscle cells using Ca(2+) indicator Fluo-3 AM on a laser-scanning confocal microscope.
World J Gastroenterol
May 2003
Aim: To study the effect of arsenic trioxide (As(2)O(3)) on rat experimental hepatocellular carcinoma and its renal cytotoxicity.
Methods: The hepatocellular carcinoma model was established by diethaylnitrosamine perfusion in stomach of 120 Wistar rats, and the treatment began at the end of 20 weeks. Before the treatment, the rat models were randomly divided into 5 groups.
World J Gastroenterol
December 2002
Aim: To analyze the causes and management of hemorrhage in spontaneous liver rupture.
Methods: Seventy cases of spontaneous liver rupture were retrospectively analyzed for causes of hemorrhage and therapeutic effects of surgical approaches.
Results: It was demonstrated that the causes of spontaneous liver rupture were primary liver cancer in 60 cases (85.