The main treatment strategies for chronic pancreatitis in young patients include therapeutic endoscopic retrograde cholangio-pancreatography (ERCP) intervention and surgical intervention. Therapeutic ERCP intervention is performed much more extensively for its minimally invasive nature, but a part of patients are referred to surgery at last. Historical and follow-up data of 21 young patients with chronic pancreatitis undergoing duodenum-preserving total pancreatic head resection were analyzed to evaluate the outcomes of therapeutic ERCP intervention and surgical intervention in this study. The surgical complications of repeated therapeutic ERCP intervention and surgical intervention were 38% and 19% respectively. During the first therapeutic ERCP intervention to surgical intervention, 2 patients developed diabetes, 5 patients developed steatorrhea, and 5 patients developed pancreatic type B pain. During the follow-up of surgical intervention, 1 new case of diabetes occurred, 1 case of steatorrhea recovered, and 4 cases of pancreatic type B pain were completely relieved. In a part of young patients with chronic pancreatitis, surgical intervention was more effective than therapeutic ERCP intervention on delaying the progression of the disease and relieving the symptoms.

2', 3', 5'-Tri-O-acetyl-N6-(3-hydroxylaniline)adenosine (WS070117) is a derivative compound of natural product cordycepin. It has significant lipids regulating activity and low toxicity which has been proved by in vitro and in vivo experiments. In this study, 1H NMR-based metabolomics was used to investigate the dose-related effects of WS070117 on hyperlipidemia of high-fat-fed hamsters. The hyperlipidemic hamsters were administrated with six different doses of WS070117, including 3, 12, 50, 100, 200 and 400 mg x kg(-1) x d(-1). 1H NMR spectra of hamster serum were visually and statistically analyzed using two multivariate analyses: principal component analysis (PCA) and orthogonal partial least squares-discriminant analysis (OPLS-DA). As a result, WS070117-treated groups showed dose-related regulation of metabolites associated with lipid metabolism, choline metabolism and glucose metabolism. The dose of 3 mg x kg(-1) x d(-1) of WS070117 only exhibited a little lipids regulating activity. However, the doses of 12 and 50 mg x kg(-1) x d(-1) of WS070117 both regulated the contents of metabolites to reverse significantly toward normal levels. When the dose of WS070117 reached 100 mg x kg(-1) x d(-1), it was more effective than positive control drugs. The work suggested that NMR-based metabolomics might be a valuable approach to evaluate dose-related effects of lipids regulating compounds.
Adenosine ; analogs & derivatives ; pharmacology ; Animals ; Cricetinae ; Hyperlipidemias ; metabolism ; Least-Squares Analysis ; Lipid Metabolism ; drug effects ; Magnetic Resonance Spectroscopy ; Metabolomics ; Multivariate Analysis ; Principal Component Analysis

Objective To evaluate the effect of a novel orthopedic biomaterial,graded composite zireonia(ZrO2)hydroxyapatite(HAP)on activity of rat osteoblast ceils(OB)cultured in vitro. Methods The pure zirconia material was used as control to measure surface roughness of the composite material that was examined by using scanning electron microscope(SEM)and X-ray diffraetometer (XRD).The rat osteoblast cells were cultured on the two materials.Alkali phosphatase(ALP)of the two groups was measured and ELISA was used to detect IL-6 and TGF-?eoncentration of the supematant of OB cells.Tumor growth factor-?(TGF-?)mRNA was detected by RT-PCR.SEM was used to observe OB cells on the two materials.The extract of the composite material was used for a eytotoxicity test to cal- culate the relative proliferation rate(RGR)and classify the toxicity.Results The surface roughness of the gradual composite materials was significantly higher than that of the control materials(P＜0.01). The ALP of the gradual material group was markedly higher than that of the control group at different in- tervals.There was significant difference of the IL-6 and TGF-?concentrations 2-4 days after culture be- tween two groups(P＜0.05,P＜0.01).The mRNA level of TGF-?of the two OB groups also showed marked statistical difference(P＜0.01).The ossification of the OB cells on the composed material was marked after 14 days.The MTT color experiments showed no statistic significance between materials group and negative group,with the toxicity at levelⅠand 0(P＜0.05).Conclusion Graded composite ZrO2 HAP can significantly promote proliferation and differentiation of OB cells cultured in vitro and has good biocompatibility.

OBJECTIVETo research the effects of Guizhi Fuling capsule on sex hormones levels in blood serum and breast issue morphology of hyperplasia of mammary glands model rats.

METHODThe unpregnancy SD rat models of hyperplasia of mammary glands were established by injecting 0.5 mg x kg(-1) benzoate estradiol. After five weeks doses,the effects of Guizhi Fuling capsule 2.0, 1.0, 0.5 g x kg(-1) and Rupixiao tablet 0.5 g x kg(-1) on the changes of papilla diameter, height and breast issue morphology of the naimal models were explored, and sex hormones levels in blood serum were measured.

RESULTGuizhi Fuling capsule can inhibitnipple swell, improve breast tissue morphology pathological profiles of the animal models, and decrease oestradiol (E2) level and increase progesterone (P) level in blood serum.

CONCLUSIONThese results suggested that Guizhi Fuling capsule could, improve mammary gland pathological profiles. Regulating sex hormone levels may be its important mechanism for treatment of hyperplasia of mammary glands.

Animals ; Capsules ; Drugs, Chinese Herbal ; pharmacology ; Female ; Gonadal Steroid Hormones ; blood ; Hyperplasia ; Mammary Glands, Animal ; drug effects ; pathology ; Rats

Objective To observe the seasonal changes in serum levels of interleukin-1 beta (IL-1β), interleukin-6 (IL-6) and melatonin (MT) in Bizheng rat model, and explore the relationship between MT and the pathogenesis of rheumatoid arthritis.
Methods One hundred and sixty Sprague-Dawley rats were randomly divided into four groups in summer (n=80) and winter (n=80) respectively:normal group, collagen-induced arthritis (CIA) model group, operation group, and sham-operation group (n=20 in each group). The CIA model group was injected with collagen emulsion at the base of the tail to induce arthritis. The rats in the operation group received pineal gland resection, and 7 days after the first operation, underwent testectomy or oophorectomy. The rats in the sham-operation group were operated to ligature the sagittal sinus, without extracting the pineal gland. After the operations, the operation group and the sham-operation group both were immunized as the CIA group was.The serum levels of IL-1β, IL-6 and MT in different groups were measured by radioimmunoassay.
Results Compared with the normal group, the serum levels of IL-1βand IL-6 increased in the CIA model, operation, and sham-operation groups both in summer and in winter (IL-1βin summer, P=0.008, P<0.01, P=0.012; IL-1β in winter, P=0.019, P<0.01, P=0.027; IL-6 in summer, P=0.028, P<0.01, P=0.024;IL-6 in winter, P=0.006, P<0.01, P=0.008). In the operation group, the serum levels of IL-1βand IL-6 in winter were higher than in summer, but with no statistically significant differences (P=0.844, 0.679). Compared with the normal group, the serum level of MT significantly increased in summer and winter in both the CIA model group (P=0.002, 0.008) and the sham-operation group (P=0.003, 0.007), while significantly decreased in the operation group (P=0.023, 0.003). There was no significant difference in MT level in the operation group between summer and winter (P=0.947).
Conclusions The increase of serum levels of IL-1β and IL-6 may exacerbate the inflammatory reaction and cause a more severe condition in the rheumatoid arthritis. The concentrations of IL-1β, IL-6, and MT correspond with the change of seasons, confirming that there are connections between nature and human body.

OBJECTIVE: To study the types and characteristics of TUBB1 mutation in children with congenital hypothyroidism (CH) and thyroid dysgenesis (TD) in Shandong, China. METHODS: Mutations of the whole coding region of the TUBB1 gene were analyzed for 289 children with CH and TD in Shandong. Whole-genome DNA was extracted from peripheral blood leukocytes. PCR multiplication was performed for the whole coding region of the TUBB1 gene. Sanger sequencing was performed for the PCR products, and a biological information analysis was performed. RESULTS: Among the 289 children with CH and TD, 4 (1.4%) were found to have a c.952C>T(p.R318W) heterozygous mutation in the TUBB1 gene, resulting in the change of tryptophan into arginine at codon 318 of TUBB1 protein. This mutation was evaluated as "potentially pathogenic" based on the classification criteria and guidelines for genetic variation by American College of Medical Genetics and Genomics. CONCLUSIONS A novel mutation is detected in the exon of the TUBB1 gene in children with CH and TD in Shandong, suggesting that the TUBB1 gene may be a candidate pathogenic gene for CH children with TD.
Child ; China ; Congenital Hypothyroidism ; genetics ; DNA Mutational Analysis ; Humans ; Mutation ; Thyroid Dysgenesis ; genetics ; Tubulin ; genetics

Objective:To explore the predictive value of regional leptomeningeal collateral circulation scale (rLMC) based on multimodal CT in recanalization of blood vessels in patients with acute ischemic stroke after thrombectomy.Methods:A retrospective analysis was conducted on clinical data of patients with acute ischemic stroke within 6 h of first onset, admitted to our hospital from October 2017 to December 2019. Before operation, the conditions of their vessels were evaluated by rLMC based on multimodal CT. Two areas, anterior cerebral artery (ACA)-middle cerebral artery (MCA) area and posterior cerebral artery (PCA)-MCA area, were divided. The total rLMC scores of two areas (0-10) were calculated: scores of 0-3, scores of 4-7, scores of 8-10. After admission, the recanalization of the blood vessels after thrombectomy was evaluated immediately according to grading of thrombolysis in cerebral infarction (TICI) after completion of thrombectomy within the time window; TICI grading≥II was defined as succeed recanalization. The correlation between rLMC scores and vascular recanalization in patients with acute ischemic stroke was evaluated.Results:Among the 80 patients, 17 were in the rLMC scores of 0-3 group, 25 in the group of rLMC scores of 4-7, and 38 in the group of rLMC scores of 8-10; 68 patients (85.00%) had vascular recanalization, and the success rate of vascular recanalization in patients from the group of rLMC scores of 8-10 was significantly higher than that in the group of rLMC scores of 0-3 (97.36% vs. 58.82%, P<0.05). Correlation analysis results showed that the rLMC score was positively correlated with success rate of vascular recanalization ( r s=0.625, P=0.000); whose sensitivity, specificity, positive predictive value, negative predictive value, and accuracy were 89.5%, 90.9%, 94.45%, 83.3% and 90.0%, respectively. Conclusion:The rLMC is closely related to the recanalization rate in patients with acute ischemic stroke after thrombectomy; the success rate of recanalization after intravascular treatment is relatively high in patients with rLMC scores of 8-10.

OBJECTIVETo explore the correlation between the expressions of hypoxia inducible factor-1α (HIF-1α) and insulin in pancreatic cancer.

METHODSHIF-1α and insulin expression was detected by immunohistochemistry in the center and the edge of pancreatic adenocarcinoma specimens of 65 cases. Western blot was used to detect HIF-1α expression and insulin level in the center and the edge of pancreatic adenocarcinoma specimens of 28 cases. The relationship between HIF-1α expression and insulin level in the pancreatic cancer was analyzed.

RESULTSThe results of immunohistochemistry and Western blot showed that HIF-1α protein expression was high in both the center and the edge of pancreatic cancers (P > 0.05), and insulin level was significantly higher at the edge of specimen than that in the center (P < 0.05). HIF-1α protein and insulin levels were positively correlated at the edge of cancer tissue (r = 0.374, P < 0.05), but no significant correlation between them in the center of cancerous tissue (r = -0.145, P > 0.05).

CONCLUSIONInsulin may promote the local invasion and metastasis of pancreatic cancer by up-regulating HIF-1α.

Adenocarcinoma ; metabolism ; pathology ; Adult ; Aged ; Blotting, Western ; Female ; Humans ; Hypoxia-Inducible Factor 1, alpha Subunit ; metabolism ; Immunohistochemistry ; Insulin ; metabolism ; Male ; Middle Aged ; Pancreatic Neoplasms ; metabolism ; pathology

OBJECTIVE: To evaluate the effect of intrathecal pumping tramadol on cell-mediated immunity in rats with formalin inflammatory pain. METHODS: Thirty-two Sprague-Dawley adult male rats weighting 250 approximately 300 g were randomly divided into 4 groups (n=8 in each group):Saline group (NS) and 3 tramadol groups (T1,T2,and T3). The rats were anesthetized with intraperitoneal chloral hydrate (300 approximately 350)mg/kg. Microspinal catheter was inserted into the subarachnoid space at the lumber region according to modified Yaksh techniques. In the tramadol groups,after 5 days tramadol was continuously infused through the spinal catheter at 50 (T1),25 (T2), and 12.5 microg/h (T3) for 7 days. In the NS group normal saline was continuously infused instead of tramadol. On Day 7 formalin (5%, 50 microL) was injected into the plantar surface of the left hindpaw. The number of flinches, lickings and total time of licking was recorded for 60 min.Pain intensity scoring(PIS)(0 approximately 3;0= no pain, 3=severe pain) was used to assess the antinociceptive effect of intrathecal tramadol. The rats were killed after the evaluation of pain intensity. Body weight and spleen weight were measured and spleen index (spleen weight/body weight) was calculated. T-lymphocyte function was evaluated based on Concanavalin-A(ConA) induced splenocyte proliferation. A modified lactic acid dehydrogenase(LDH) release assay was done to assess the NK cell activity. Phenotypic expressions of cell surface markers of T lymphocyte subsets (CD3+, CD3+ CD4+, CD3+ CD8+, and CD4+/ CD8+) and NK cell(CD161+) in the spleen were analyzed by flow cytometry. RESULTS: The PIS scores were significantly lower in the T1,T2,and T3 groups than those in the NS group. The spleen index and splenocyte proliferation induced by ConA were significantly suppressed in the T1 group,and the phenotypes of T lymphocyte subsets were significantly changed,but no significant difference was found in the T2 and T3 groups compared with the NS group. There were no differences in NK cell activity in the 3 tramadol groups from the control group. CONCLUSION Intrathecal pumping tramadol has significantly antinociceptive effect. Intrathecal pumping higher dosage tramadol (50microg/h) suppresses T lymphocyte proliferation and alteres T lymphocyte subset phenotype but does not affect NK cell activity. General analgesic dosage tramadol (25 and 12.5 microg/h) has no effect on the immune function.
Analgesics, Opioid ; pharmacology ; Animals ; Dose-Response Relationship, Drug ; Formaldehyde ; Injections, Spinal ; Killer Cells, Natural ; immunology ; Male ; Pain ; chemically induced ; immunology ; Pain Measurement ; drug effects ; Rats ; Rats, Sprague-Dawley ; T-Lymphocyte Subsets ; immunology ; Tramadol ; administration & dosage ; pharmacology

OBJECTIVETo observe the incidence of heparin-induced thrombocytopenia (HIT) in patients received unfractionated heparin (UFH) treatment, and explore the feasibility of monitoring HIT by platelet counts, as well as the significance of HIT-antibody test in HIT diagnosis.

METHODS145 patients received UFH treatment in Vascular Surgery Department were studied. Before and after the UFH treatment, platelet counts, HIT-antibody ELISA test and heparin-induced platelet aggregation (HIPA) were tested.

RESULTSAmong the 145 patients, thrombocytopenia occurred in 40 (27.6%) cases, HIT-antibody ELISA test positive in 59 (40.7%) cases, HIPA test positive in 26 (17.9%) cases. The HIT was diagnosed in 24 (16.5%) cases, and heparin-induced thrombocytopenia and thrombosis (HITTS) occurred in 5 (3.4% in all cases, and 20.8% in HIT patients). In HIT patients, 15 patients (62.5%) were thrombocytopenia, HIT-antibody positive and HIPA test positive. Platelet counts in all of the 24 patients recovered to normal or level before UFH treatment in 3-6 days after heparin withdrawal therapy.

CONCLUSIONHIT can be early diagnosed by monitoring platelet counts, HIT-antibody ELISA test and HIPA test. Withdrawal of heparin therapy in time and use of alternative anticoagulant, HITTS rate might be expected to decline further.

Adult ; Aged ; Anticoagulants ; adverse effects ; Enzyme-Linked Immunosorbent Assay ; Female ; Heparin ; adverse effects ; Humans ; Male ; Middle Aged ; Platelet Aggregation ; Platelet Count ; Thrombocytopenia ; chemically induced ; diagnosis