Drug-induced pancreatitis (DIP)belongs to gastrointestinal drug-induced diseases.With the wide use of drugs,the number of drugs that may induce DIP is increasing.Since there are not specific clinical indicators for detecting DIP or a complete diagnostic and thera-peutic process for DIP,its diagnosis is often missed.The epidemiology and pathogenesis of DIP,as well as drugs inducing DIP and their classifications,are reviewed.It is stressed that careful collection of medication history of DIP patients and timely discontinuation of suspected pharmacological agents are the key to diagnosis and treatment of this disease,and the patients should be informed of the related drugs that in-duce DIP to prevent its recurrence.

Objective To study the biological effects of pSNAV2-hTGF?1 and pSNAV2-hTGF?3 on the reversion of rabbit disc degeneration. Methods Rabbit nucleus pulpous and annulus fibrosus cells were isolated and cultured. The fluorescence labled pSNAV2 were used to detect the transfect rates of rabbit disc cells at first. Then, the pSNAV2-hTGF?1 and pSNAV2-hTGF?3 were transfected into the degenerated rabbit disc cells respectively. The biological effects of hTGF?1 and hTGF?3 on degenerated rabbit disc cells were detected with Western-bloting and 35S detection to analyze and compare the matrix synthesis of the tranfected cells. Results pSNAV2 could transfect degenerated disc cells effectively in the early stages. Both the pSNAV2-hTGF?1 and pSNAV2-hTGF?3 could stimulate the synthesis of collagen Ⅱ and proteoglycan of the rabbit disc cells. For the early stage of degenerated disc cells, the synthesis of collagen Ⅱ and proteoglycan were greater transfected with pSNAV2-hTGF?1 than transfected with pSNAV2-hTGF?3. The pSNAV2-hTGF?1 could promote the degenerated rabbit annulus fibrosus cells to synthesize collagen Ⅰ and pSNAV2-hTGF?3 could promote the degenerated nucleus pulpous cells of later stage to synthesize the collagen Ⅱ. Conclusion Both pSNAV2-hTGF?1 and pSNAV2-hTGF?3 can promote the degenerated rabbit disc cells of early stage to synthesize the matrix. pSNAV2-hTGF?3 can efficently promote the seriously degenerated nucleus pulpous cells to synthesize the collagen Ⅱ.

Objective Objective To evaluate the response,survival and toxicity of concurrent chemoradiotherapy for patients with inoperable esophageal cancer. Methods Eighty-eight patients with inoperable esophageal cancer were divided randomly into two groups, 43 patients in group R+C received chemoradiotherapy, while 45 patients in group R received radiotherapy only. For both groups, the same radiation technic was carried out by conventional fractionation, to a total dose of 60-65Gy/30-33Fr/6.0-6.5W. For group R+C patients, concurrent chemotherapy(5-Fu 500mg/d1-4,DDP 20mg/d1-4) was given. Results Complete response rate in group R+C was 33%,while in group R, it was 13% (P

Objective To explore the potential role of activation of the colonic mucosal mast cells in the pathogenesis of irritable bowel syndrome (IBS). Methods The activation of colonic mucosal mast cells was evaluated by double immunohistochemical staining with c-Fos and tryptase in restraining stress and conditioned restraining stress rats and in 56 refractory IBS patients(by Rome Ⅱ criteria), 2 free-symptom more than 6 months patients and 20 healthy controls. It was also evaluated that the effect of mast cell stabilizer sodium cromoglycate 20 mg/kg given intraperitoneally (i.p.) 30 min before stress or conditioned stress on electromyographic activity (EMG) in abdominal striated muscle as the marker of visceral sensitization. The relationship between the severity index of symptom and the percentage of activation of sigmoid-rectal mucosal mast cells in IBS was analyzed by Spearman rank correlation. Results The percentage of activating mast cells instead of the total number increased significantly in stress (2.5 ?0.8 vs. 8.0?0.9) and conditioned stress (2.5? 0.8 vs. 7.8?0.8) rats compared with that in controls ( P

Objective To develop a new multi-purpose face mask for oxygen provision in first aid,which can be used in both war time and peace time.Methods The structure,operating principle and application of a multi-purpose face mask,whose transparent silicone mask body has even the entrance of nested endoscopy and oxygen concentration regulating twist,are introduced in this paper.Results This mask can be used in painless endoscopy and emergent oxygen supply in tracheal intubatton.Conclusion The mask can greatly enhance the safety of painless endoscopy and it can also be used as mask for the use of general anesthesia.

Objective To analyze the clinical outcomes of using double-circle incision combined with the dermal bra technique for the correction of simple breast ptosis.Methods From March 2010 to December 2014,88 patients underwent breast ptosis correction using the technique,among which 52 cases were classified into mild ptosis,27 moderate ptosis,and 9 severe ptosis.According to the extent of ptosis,varying size of the dermal bra were designed,and the mammary glandular flap was rotated,suspended and fixed onto the pectoralis fascia.For patients with insufficient size of the dermal bra,the polypropylene mesh was used to assist glandular suspension and fixation.Follow-up duration was between 3 to 24 months,and the surgical effect was evaluated from the following aspects:wound healing,breast sensory,shape,and texture,etc.Results The 4 cases (4.5％) had hematoma,and 3 cases (3.4％) suffered from poor wound healing.No case of fat liquefaction,necrosis of the nipple and areola complex,sensory disorder of NAC,or secondary ptosis was examined.Mammary contour was slightly rigid in the early postoperative period but gradually becoming natural with soft texture 3 months postoperatively.Conclusions Double-circle incision combined with the dermal technique is worth spreading in the clinical practice of breast ptosis correction for its satisfactory outcomes and low incidence of complications.

Background and Purpose:In recent years,along with marked rise in the incidence of lung cancer,the incidence of brain metastasis from lung cancer has increased year by year.The main treatment strategy of lung cancer with brain metastasis is irradiation,while so far there are only few researches concerning chemotherapy combined with radiotherapy for these patients.The aim of this study is to evaluate the therapeutic effect,survival rate and toxicity of chemotherapy with VM_(26)+DDP regimen given concurrently with whole-brain radiotherapy in lung cancer with brain metastasis.Methods:From Sep.2000 to Oct.2001,forty-one patients with lung cancer with brain metastasis were divided randomly into two groups: 20 patients(14 male,6 female) received concurrent chemoradiotherapy(chemoradiotherapy group),the other 21 patients(14 male,7 female) received only radiotherapy(radiotherapy group).In the chemoradiotherapy group,the average age was 50 years with range 40 to 70 years,16 patients were non-small-cell lung cancer,4 patients were small-cell lung cancer.In the radiotherapy group,the average age was 52 years with range 40 to 73 years and 19 patients were non-small-cell lung cancer,2 patients were small-cell lung cancer.For both groups,the same radiation technique was given with conventional fraction.Radiotherapy was delivered by 6MV.Fractionations of 3Gy/fraction/day was delivered 10Gy/5 factions/week.The total dose was 30Gy/10Fr/2W.For chemoradiotherapy group,the patients were also given concurrent chemotherapy(VM_(26) 60mg/m~(2)/ day iv on days 1-3,cisplatin 60 mg/m~(2) iv on the 1~(st)day).Results:The response rate and complete response in the chemoradiotherapy group was significantly higher than that in the radiotherapy group(75% ?? 38.10%,P

0.05).Conclusions:Concurrent chemoradiotherapy can be well tolerated even though the acute side-effects less than grade 2 were higher in concurrent chemoradiotherapy than other group.Immediate response was very encouraging in the concurrent group.There was no advantage in terms of survival rate in the concurrent group compared to the sequential group.

Objective To prepare and screen out monoclonal antibodies against the receptor bind-ing domain (RBD) of Middle East respiratory syndrome coronavirus ( MERS-CoV) spike ( S) protein in mice. Methods The RBD of MERS-CoV S protein expressed in the insect-baculovirus system was purified and then used to immunize the female BALB/ c mice. The spleen cells collected from the mice were fused with myeloma Sp2 / 0 cells. The positive hybridoma cells were obtained by using limited dilution method. Enzyme-linked immunosorbent assay ( ELISA), Western blot assay and neutralization test based on the MERS-CoV pseudovirus were performed for further screening and identification. Results Twelve strains of hybridoma cells that produced the monoclonal antibodies against RBD of MERS-CoV S protein were screened out. All of the 12 monoclonal antibodies (McAbs) could have specific reaction with the RBD of MERS-CoV S protein as indicated by the results of ELISA. Of the 12 McAbs, two were identified as the immunoglobulin M (IgM) isotype and the rest were IgG1 isotype by using double antibodies sandwich ELISA. Four McAbs including 1F1, 2E4, 3C3 and 3E6 were identified as having neutralizing activity by the neutralization test based on MERS-CoV pseudovirus. Results of the Western blot assay showed that the four McAbs (1F1, 2E4, 3C3 and 3E6) could have specific reaction with the RBD of MERS-CoV S protein, but no cross-reac-tion with that of SARS-CoV S protein. Conclusion Twelve mouse-derived McAbs against the RBD of MERS-CoV S protein were obtained. The prepared hybridoma cells showed the characteristics of high speci-ficity and stability in antibody secretion. Four out of the 12 McAbs were proved to have neutralizing activity.

OBJECTIVETo explore the feasibility of the transdiferentiation of human breast adipose-derived stem cells (hbASCs) into mammary epithelial-like cells after co-culturing in Transwell in vitro.

METHODSThe third passage hbASC and the HBL-100 cell line were co-cultured in a Transwell culture system for 15 days. The hbASCs were observed and identified by inverted phase contrast microscope and transmission electron microscopy, and immunocytochemistry staining in the induced and control groups.

RESULTSBoth the third passage hbASCs and the HBL-100 cell line cells could adhere and grow rapidly after co-culture in the Transwell system. After co-culture for 15 days, the morphology of some induced hbASCs changed into epithelial-like cells. Some induced hbASCs showed positive expression of CK18, CK19 by immunocytochemistry staining, and typical epithelium cells with microvilli, desmosomes and tonofilaments observed under TEM. The positive rate of CK18 and CK19 was (24.4 +/- 12.0)% and (21.6 +/- 16.4)% in experimental group, and (1.8 +/- 1.7)% and (1.1 +/- 0.6)% in control group.

CONCLUSIONThe data suggests that hbASCs may have the potential to transdifferentiate into human mammary epithelial-like cells after co-culturing in Transwell in vitro.

Adipose Tissue ; cytology ; Breast ; cytology ; Cell Differentiation ; Cells, Cultured ; Coculture Techniques ; Epithelial Cells ; cytology ; Female ; Humans ; Stem Cells ; cytology