Dietary Macleaya cordata extract supplementation improves the growth performance and gut health of broiler chickens with necrotic enteritis

Background The poultry industry needs effective antibiotic alternatives to control outbreaks of necrotic enteritis(NE)caused by Clostridium perfringens.Methods The aim of this study was to investigate the effects of dietary supplementation with Macleaya cordata extract(MCE)on the immune function and gut microbiota of broilers with NE.A total of 2881-day-old broiler chicks were randomly assigned to a 2×2 factorial arrangement with two concentrations of dietary MCE supplementation(0 or 350 mg/kg of diet)and two disease challenge statuses(control or NE).Results The results revealed that NE significantly increased the feed conversion rate(FCR),mortality,intestinal lesion score,the levels of IL-1β,IL-17 and IFN-γ/IL-4 in serum and IL-17/IL-10 in the jejunal mucosa,m RNA levels of TLR2,IFN-γand p Ig R in the jejunum,and Clostridium perfringens concentrations in the cecum.NE significantly decreased the body weight(BW),body weight gain(BWG),jejunal villus height,V/C,m RNA level of AMPK-α1 in jejunum,IL-4 level in the jejunal mucosa and lactic acid bacteria abundance in the cecum.MCE significantly increased BW,BWG,jejunal villus height,V/C,m RNA levels of occludin,ZO-1 and AMPK-α1 in the jejunum,the levels of Ig A and Ig G in serum and IL-10 in the jejunal mucosa and m RNA levels of NF-κB,IL-10 and MHC-II in the jejunum.Additionally,MCE significantly decreased the FCR,mortality,intestinal lesion score,jejunal crypt depth,the levels of IFN-γand IL-17 in serum and IL-17/IL-10 in the jejunal mucosa,Clostridium perfringens concentrations in the cecum,and m RNA levels of IL-17/IL-10 in the jejunum.Moreover,NE significantly increased the abundance of bacteria that are associated with inflammation,obesity and depression(Alistipes,Barnesiella,Intestinimonas,RF39 and UCG-005)and significantly decreased the abundance of short-chain fatty acid(SCFA)-producing bacteria(Anaerotruncus,Butyricicoccus and Bacteroides)in the cecum.MCE significantly increased the abundance of SCFA-producing bacteria(Streptococcus,Ruminococcus_torques_group and Lachnospiraceae_NK4A136_group)and significantly reduced the abundance of bacteria that are associated with inflammation and obesity(Alistipes,Barnesiella and UCG-010)in the cecum.In the cecum of broilers with NE,the relative abundance of Barnesiella and Alistipes was higher and that of Lachnoclostridium and Shuttleworthia was lower.Interestingly,these trends were reversed by the addition of MCE to the diet.Spearman correlation analysis showed that Barnesiella and Alistipes were associated with enhanced intestinal inflammation and inhibited growth performance,whereas Lachnoclostridium and Shuttleworthia were associated with anti-inflammatory effects.Conclusions MCE ameliorated the loss of growth performance in broiler chickens with NE,probably by regulating the intestinal barrier,immune function,and gut microbiota.

Intestinal microecological transplantation for a patient with chronic radiation enteritis:A case report

BACKGROUND The gut microbiota is strongly associated with radiation-induced gut damage.This study aimed to assess the effectiveness and safety of intestinal microecological transplantation for treating patients with chronic radiation enteritis.CASE SUMMARY A 64-year-old female with cervical cancer developed abdominal pain,diarrhea,and blood in the stool 1 year after radiotherapy.An electronic colonoscopy was performed to diagnose chronic radiation enteritis.Two courses of intestinal microecological transplantation and full-length 16S rRNA microbiological analysis were performed.The patient experienced short-and long-term relief from symptoms without adverse effects.Whole 16S rRNA sequencing revealed significant differences in the intestinal flora’s composition between patient and healthy donors.Pathogenic bacteria,such as Escherichia fergusonii and Romboutsia timonensis,were more in the patient.Beneficial bacteria such as Faecalibacterium prausnitzii,Fusicatenibacter saccharivorans,Ruminococcus bromii,and Bifidobacterium longum were more in the healthy donors.Intestinal microbiota transplantation resulted in a significant change in the patient's intestinal flora composition.The composition converged with the donor's flora,with an increase in core beneficial intestinal bacteria,such as Eubacterium rectale,and a decrease in pathogenic bacteria.Changes in the intestinal flora corresponded with the patients'alleviating clinical symptoms.CONCLUSION Intestinal microecological transplantation is an effective treatment for relieving the clinical symptoms of chronic radiation enteritis by altering the composition of the intestinal flora.This study provides a new approach for treating patients with chronic radiation enteritis.

Potential pharmacological mechanisms of digallate in the treatment of enteritis based on network pharmacology and molecular docking

Background:In order to investigate the possible pharmacological mechanism of digallate in Galla Chinensis for treating enteritis,providing reference for the search and exploration of effective drugs for treating enteritis.Method:Traditional Chinese Medicines Systems Pharmacology Database and Analysis Platform,PharmMapper,DisGeNET,DrugBank,and GeneCards databases were used to obtain drug and disease-related target information.Gene ontology functional annotation and Kyoto Encyclopedia of Genes and Genomes pathway enrichment were performed,and the main therapeutic pathways and targets were identified by combining protein-protein interaction networks and cytoHubba plug-in.Molecular docking was used to validate the results.Result:297 drug related targets,2436 disease related targets,and 66 target points related to digallate were predicted to be associated with enteritis.10 related signal pathways and 10 key genes were identified.Conclusion:Digallate may be utilized to treat enteritis by acting on similar pathways,such those related to pathways in cancer,lipid and atherosclerosis,proteoglycans in cancer,Rap1 signaling pathway,PI3K-Akt signaling pathway and other targets such as IGF1,EGFR,SRC,IGF1R,PPARG.

Establishment of a prediction model for severe acute radiation enteritis associated with cervical cancer radiotherapy

BACKGROUND Cervical cancer is one of the most common gynecological malignant tumors.Radiation enteritis(RE)leads to radiotherapy intolerance or termination of radiotherapy,which negatively impacts the therapeutic effect and seriously affects the quality of life of patients.If the incidence of RE in patients can be predicted in advance,and targeted clinical preventive treatment can be carried out,the side effects of radiotherapy in cervical cancer patients can be significantly reduced.Furthermore,accurate prediction of RE is essential for the selection of individualized radiation dose and the optimization of the radiotherapy plan.AIM To analyze the relationships between severe acute RE(SARE)of cervical cancer radiotherapy and clinical factors and dose-volume parameters retrospectively.METHODS We included 50 cervical cancer patients who received volumetric modulated arc therapy(VMAT)from September 2017 to June 2018 in the Department of Radiotherapy at The First Affiliated Hospital Soochow University.Clinical and dose-volume histogram factors of patients were collected.Logistic regression analysis was used to evaluate the predictive value of each factor for SARE.A nomogram to predict SARE was developed(SARE scoring system≥3 points)based on the multiple regression coefficients;validity was verified by an internal verification method.RESULTS Gastrointestinal and hematological toxicity of cervical cancer VMAT gradually increased with radiotherapy and reached the peak at the end of radiotherapy.The main adverse reactions were diarrhea,abdominal pain,colitis,anal swelling,and blood in the stool.There was no significant difference in the incidence of gastrointestinal toxicity between the radical and postoperative adjuvant radiotherapy groups(P>0.05).There were significant differences in the small intestine V_(20),V_(30),V_(40),and rectal V40 between adjuvant radiotherapy and radical radiotherapy after surgery(P<0.05).Univariate and multivariate analyses revealed anal bulge rating(OR:14.779,95%CI:1.281-170.547,P=0.031)and disease activity index(DAI)score(OR:53.928,95%CI:3.822-760.948,P=0.003)as independent predictors of SARE.CONCLUSION Anal bulge rating(>0.500 grade)and DAI score(>2.165 points)can predict SARE.The nomogram shows potential value in clinical practice.

Pathogenic and pathological characteristic of new type gosling viral enteritis first observed in China

AIM To study the purifying method and characteristics of neW gosling viral enteritis virus (NGVEV), the etiological agent of new gosling viral enteritis (NGVE) which was first recognized in China, as well as the pathomorphological davelapment in goslings infected artificially with NGVEV.``of treatment with chloroform and ammonium sulfate precipitation, dialysis to remove the sulfate radical and ammonium ion and separation by gel filtration Sichuan goslings were orally administered with NGVEV and 24hr later 2 birds were randomly selected and killed at 24hr intervals Until death occurred. Specimens(duodenum, ileum,liver, heart, kidney, spleen, lung, proventriculus, pancreas,esophagus, and the intestinal embolus) were taken until all birds in this group died and were sectioned and stained with hemotoxylin and ensin and studied by light microscope.``RESULTS NGVEV shared the typical characteristics of Adenovirus and which structural proteins consisted of 15polypsptides. Necrosis and sloughing of the epithelial cells covering the villus tips of the duodanum were first observed in goslings 2 days postinfectien artificially with NGVEV. With the progress of infection, this lesion rapidly occurred in the epithelium at the base of the villus and with infiltration of the inflammatory cells, the jejunum tended to be involved. With the intensification of rnucnsa necrosis and inflammatory exudation of the small intestine, fibrinenecrotic enteritis was further developed and embolus composed of either intestinal contents wrapped by pseudomembrane or of the mixture of fibrous exudate and necrotic intestinal rnucoes were observed in the middle-lower part of the small intestine. This structure occluded the intestinal tract and made the intestine dilated in appearance. The intestinal glandular cells underwent degeneration, necrosis and might be found sloughed into the lumen. Hemorrhage and hyperemia could be observed on the lung and kidney . Epithelial cells of the renal tubular underwent degeneration. In some cases, granular degeneration and fatty degeneration could be found in the liver and in some cases at a later stage of this disease the epithelial ceils of trachea and proventriculus might be found sioughed. In some cases at an early stage of this disease,cardiac hyperemia and hemorrhage could be observed.Esophaagus, pancreas and brain were found normal. Analysesand comparisons between the pathologic lesions of GVE and Gosling Plague (GP) were available in this paper as well.``characteristic could be as the data for NGVE diagnosis.

Effects of tannic acid on the immunity and intestinal health of broiler chickens with necrotic enteritis infection

Background In broiler chickens,necrotic enteritis(NE)infection can reduce production performance.Tannic acid has shown great potential as a treatment of NE in broilers.However,the appropriate dosage of tannic acid in NE of broilers and the improvement effect on intestinal health are not very clear.In this study,we aimed to investigate the effects of different doses of tannic acid on the production performance,immunity,and intestinal health of broilers by constructing an NE model with C.perfringens infection and determining the appropriate dosage of tannic acid with regard to NE.Results Challenged birds showed significant reduction in body weight,villus height,and the ratio of villus height to crypt depth(P<0.05)and increase in the feed consumption gain ratio,intestinal lesion score,and crypt depth(P<0.05).The infection significantly reduced the relative Bacteroidota and Ligilactobacillus abundance(P<0.05)and increased the ratio of Firmicutes/Bacteroidota and cecal content of C.perfringens(P<0.05).Challenged birds fed diets supplemented with tannic acid showed significantly increased mRNA expression of nutrient transport carriers and intestinal barrier genes and growth performance and reduced serum zonulin and endotoxin levels(P<0.05).Addi-tion of tannic acid to the diet inhibited the inflammatory response by reducing the number of coccidia oocysts in feces and the content of C.perfringens in the cecum.Specifically,tannic acid reduced the serum levels of C reactive protein,myeloperoxidase,and specific IgY and ileal mucosal secretory immunoglobulin A levels in the ileal mucosa compared with those in the NE-infected birds.NE-infected birds fed diets supplemented with tannic acid also showed significantly increased relative Anaerocolumna,Thermoanaerobacterium,and Thermosinus abundance(P<0.05);their microbial composition and functional predictions were similar to those of the NC group.Conclusions Tannic acid in the diet alleviated NE by enhancing the intestinal barrier and absorption function.The recommended dietary tannic acid additive level is 500–750 mg/kg.Our study findings would be useful in reducing related economic losses in the broiler industry.

Essential Oils as an Alternative to Antibiotics to Reduce the Incidence and Severity of Necrotic Enteritis in Broiler Chickens: A Short Review

Due to the removal of antibiotic growth promoters (AGPs) and consumer pressure for antibiotic-free (ABF) or no antibiotics ever (NAE) poultry production, there is a need for sustainable alternatives to prevent disease in commercial poultry operations. Without AGPs, there has been a rise in diseases that were traditionally controlled by subtherapeutic levels of antibiotics in the diet. This has impacted the health of commercial poultry and has been a significant cost to poultry producers. To mitigate this, the industry has started to investigate alternatives to antibiotics to treat these forthcoming health issues, such as necrotic enteritis (NE). NE is an enteric disease caused by an over proliferation of toxigenic Clostridium perfringens (CP) in the gastrointestinal tract. Although CP is a commensal in the avian intestinal tract, dysbiosis caused by inflammation and impaired intestinal integrity facilitates uncontrolled replication of CP. Infectious agents, such as Eimeria maxima, appear to be a predominant predisposing factor that promotes NE. However, non-infectious stressors, including dietary changes, have also been associated with NE to some degree. As a result of increased pressure to restrict the use of antibiotics, there is a need for research evaluating the efficacy of alternatives, such as plant-derived essential oils, as potential tools to mitigate NE in commercial poultry flocks. The aim of this study is to review the effects of essential oils as an alternative to antibiotics to reduce the incidence and severity of necrotic enteritis in broiler chickens.

Stimbiotic supplementation modulated intestinal inflammatory response and improved broilers performance in an experimentally-induced necrotic enteritis infection model

Background:Two experiments were conducted to establish an optimal NE challenge model and evaluate the efficacy of stimbiotic(STB)supplementation in necrotic enteritis(NE)challenged broilers.In Exp.1,a total of 120 Arbor Acres(AA)broilers(45.0±0.21 g)were randomly assigned to 6 treatments in a 3×2 factorial arrangement.Vaccine treatments included non-challenge(0),×10 the recommended dose(×10)or×20 the recommended dose(×20)by the manufacturer.Clostridium perfringens(CP)treatments were non-challenge(No)or 3 mL of 2.2×10^(7)CFU CP challenge(Yes).In Exp.2,a total of 72 AA broilers(40.17±0.27 g)were randomly assigned to 6 treatments in a 3×2 factorial arrangement.Dietary treatments included non-additive(CON),100 mg/kg STB(STB)and 100 mg/kg STB on top of a typical commercial blend including an essential oil,probiotics,and enzyme(CB).Challenge treatments included non-NE challenge(No)and NE challenge(Yes)as established in Exp.1.Results:In Exp.1,CP and vaccine challenge decreased(P<0.05)body weight(BW),body weight gain(BWG)and feed intake(FI),and increased(P<0.05)the number of broilers with diarrhea and intestinal lesions.The oral administration of×20 recommended dose of vaccines coupled with 3 mL of 2.2×10^(7)CFU CP resulted in(P<0.01)a significantly increased incidence of wet litter and intestinal lesions.Thus,this treatment was chosen as the challenge model for the successful inducement of NE in Exp.2.In Exp.2,the NE challenge negatively affected(P<0.01)growth performance,ileal morphology,immunoglobulin contents in blood,caecal microbiota in the caecum,footpad dermatitis,intestinal lesion scores,tumour necrosis factor(TNF-α)and endotoxin in the serum compared with the non-NE challenged birds.The supplementation of STB and CB in diets enhanced(P<0.05)growth performance,intestinal microbiota,and blood profiles by stimulating ileal morphology(VH and VH:CD)and propionate production in the cecum,and there were no differences in measured variables between STB and CB supplemented birds.Conclusion:Overall,these results indicate that STB supplementation was able to reduce the inflammatory response and improve the performance of NE challenged birds,and the supplementation of STB alone was as effective as a typical commercial blend containing a number of other additives.

Rare case of lupus enteritis presenting as colorectum involvement:A case report and review of literature

BACKGROUND Systemic lupus erythematosus(SLE)is a multisystem autoimmune disease that can affect the gastrointestinal tract.Most cases of lupus enteritis(LE)involve the small intestine,while the involvement of the whole colon and rectum without the small intestine being affected is extremely rare.CASE SUMMARY A 35-year-old woman was diagnosed with colorectal LE after initially presenting with intermittent abdominal pain and vomiting for two months.She had a regular medication history for five years following the diagnosis of SLE but had been irregular in taking medications,which may have contributed to the onset of LE and led to her current hospital admission.According to the 2019 Classification criteria for SLE of the European League Against Rheumatism/American College of Rheumatology,this case scored 14.Additionally,abdominal computed tomography revealed significant wall edema of the colon and rectum,ischemia and hyperemia of the ascending colon intestinal wall,mesenteric vessel engorgement,increased mesangial fat attenuation,ascites,and bilateral ureter-hydronephrosis,all indicative of colon and rectum LE.Laboratory tests also showed lower levels of complement C3 and C4,with an antinuclear antibody titer of 1:100.Overall,it was clear that this case involved the colon and rectum without affecting the small intestine,representing a rare manifestation of SLE.The patient received treatment with 10 mg of methylprednisolone sodium succinate,100 mL of 0.9%sodium chloride,hydroxychloroquine(100 mg),and nutrition support.After one week of methylprednisolone and hydroxychloroquine therapy,her SLE symptoms and disease activity improved significantly.CONCLUSION Although colorectal LE without small intestine involvement is very rare,early diagnosis and excellent management with corticosteroids prevented the need for surgical intervention.Physicians should be aware of colorectal LE without small intestine involvement as a manifestation of lupus flare.

Enterolithiasis complicating eosinophilic enteritis:A case report and review of literature

We report a case of eosinophilic enteritis involving the proximal small bowel,a relatively rare entity,presenting unusually as enteroliths in a 68-year-old man with complaints of anemia,malena and abdominal pain.The disease if diagnosed in the initial stages responds well to medical treatment but if associated with complications or misdiagnosed,surgical modality is the treatment of choice.In our case,the patient presented with enteroliths and strictures.Resection and anastomosis of the small bowel containing stones was carried out.Histopathology conf irmed the diagnosis as eosinophilic enteritis.

New Year’s greeting and overview of World Journal of Virology in 2021

The 2020 year-end wrap-up session of Baishideng Publishing Group was held on December 31,2020.All staff attended this session.We shared our key results area and made a business plan regarding the journal management.World Journal of Virology(WJV)is now abstracted and indexed in PubMed and PubMed Central.It received 23 manuscripts and published 9 papers which included 6 articles reporting coronavirus 19 in 2020.On the other hand,we made major strategies for WJV’s development in 2021.At present,WJV only has 28 Editorial Board members and cannot receive many manuscripts.We must redouble our efforts to invite more highly influential scientists to join our Editorial Board member and write high-quality manuscripts.

Role of triamcinolone in radiation enteritis management

AIM:To investigate the role of triamcinolone in the management of acute and chronic enteritis caused by pelvic radiotherapy.METHODS:Twenty-eight patients with rectum adenocarcinoma or endometrium adenocarcinoma were studied.We compared the results of 14 patients treated with injected triamcinolone acetonide(TA)with those of 14 patients who were not treated with TA.For the TA group,40 mg of TA was injected intramuscularly on the 1st,11th and 21st d of radiotherapy;the control group received no injections.All of the study participants had a median age of 65 years,had undergone postoperative radiotherapy and were evaluated weekly using Radiation Therapy Oncology Group and the European Organization for Research and Treatment of Cancer Acute Morbidity Score Criteria,and complete blood counts for every 10 d.RESULTS:Triamcinolone was found to effectively prevent and treat radiation-induced acute gastrointestinal(enteritis)and genitourinary(cystitis)side effects(P=0.022 and P=0.023).For the lower GI side effect follow up,11 patients in the control group had Grade 2toxicity and 3 patients had Grade 1 toxicity.In the TA group,5 patients had Grade 2 toxicity and 9 patients had Grade 1 toxicity.For the genitourinary system side effect follow up,4 patients had Grade 2 toxicity and 6patients had Grade 1 toxicity.Additionally,2 patients had Grade 2 toxicity and 2 patients had Grade 1 toxicity.The neutrophil counts did not differ between the TA group and the control group.There was no meaningful difference between age groups and primary cancers.At the 12th mo of follow up,there were no differences between groups for chronic side effects.CONCLUSION:Triamcinolone is a moderately potent steroid,that is inexpensive and has a good safety profile.It would be beneficial for reducing medical expenses related to treatment of radiation induced enteritis.

Infliximab induces remission in cryptogenic multifocal ulcerous stenosing enteritis:First case

We present the case of a 29-year-old patient with a history of abdominal pain and vomiting.Based on wireless video capsule findings he was previously diagnosed with ileal Crohn's disease at a different institution,although the clinical and radiological picture was not typical and the response to corticosteroids was poor.We performed a single-balloon enteroscopy showing a short,ulcerous stenosis 50 cm proximal from Bauhin's valve.The endoscopic and clinical histopathological findings were compatible with cryptogenic multifocal ulcerous stenosing enteritis(CMUSE).High dose corticosteroids were again started,without effect.The monoclonal tumor necrosis factor-α(TNF-α) antibody infliximab was added to the medical therapy.After induction therapy,both clinical and endoscopic amelioration was obtained.Larger case studies are needed to confirm the efficacy of TNF-α inhibition in steroid refractory CMUSE.

An experimental study of preventing and treating acute radioactive enteritis with human umbilical cord mesenchymal stem cells

Objective:To test the curative effect of human umbilical cord-derived mesenchymal stem cells on rat acute radioactive enteritis and thus in provide clinical therapeutic basis for radiation sickness.Methods:Human umbilical cord-derived mesenchymal stem cells were cultivated in vitro and the model of acute radioactive enteritis of rats was established.Then,the umbilical cord mesenchymal stem cells were injected into the rats via tail vein.Visual and histopathiological changes of the experimental rats were observed.Results:After the injection,the rats in the prevention group and treatment group had remarkably better survival status than those in the control group.The histological observations revealed that the former also had better intestinal mucosa structure,more regenerative cells and stronger proliferation activity than the latter.Conclusions:Human umbilical cord-derived mesenchymal stem cells have a definite therapeutic effect on acute radioactive enteritis in rats.

Modulations of genes related to gut integrity,apoptosis,and immunity underlie the beneficial effects of Bacillus amyloliquefaciens CECT 5940 in broilers fed diets with different protein levels in a necrotic enteritis challenge model

Background:The ban of in-feed antimicrobial additives has negatively affected the poultry industry by causing necrotic enteritis(NE)to emerge in the flocks.Alternatives such as Bacillus probiotics have shown to be effective on eliminating the negative effects of this disease.Two experiments were conducted to investigate the effect of Bacillus amyloliquefaciens CECT 5940(BA)in broiler chickens under NE challenge and/or fed diets with different protein levels.Methods:In both experiments,480 day-old mix-sexed Ross-308 broilers were arranged in a 2×2 factorial arrangement of treatments.In experiment 1,the factors were NE challenge(yes or no)and probiotic(yes or no).In experiment 2,the factors were dietary crude protein levels(standard or reduced)and probiotic(yes or no)and were used under NE challenge condition.Oral administration of Eimeria oocysts(day 9)followed by inoculation with Clostridium perfringens(day 14 and 15)was used to induce NE challenge.On day 16,two birds from each treatment were gavaged with fluorescein isothiocyanate-dextran(FITC-d)and blood samples were collected for gut integrity evaluation,and jejunal samples were collected for gene expression assay.Results:In experiment 1,BA supplementation decreased caspase-3(CASP3)(P<0.001)and caspase-8(CASP8)(P<0.05)and increased occludin(OCLD)(P<0.05)expression regardless of the challenge.Additionally,BA supplementation downregulated interfron-γ(IFN-γ)expression(P<0.01)and upregulated immunoglobulin-G(IgG)(P<0.01)and immunoglobulin-M(IgM)(P<0.05)only in challenged birds.In experiment 2,the expression of genes encoding mucin-2(MUC2)(P<0.001),tight junction protein-1(TJP1)(P<0.05)and OCLD(P<0.05)were upregulated by the addition of BA in the diet,regardless of the crude protein level.Further,BA supplementation downregulated INF-γ(P<0.01)and upregulated immunoglobulin-A(IgA)(P<0.05),IgM(P<0.05)and IgG(P<0.01)regardless of the crude protein level.Conclusion:These findings suggest that supplementation of BA in broiler diets can improve gut health by modulation of genes related to the mucosal barrier,tight junction,and immunity in broilers challenged by unfavourable conditions such as NE challenge.

The Effect of a<i>Lactobacillus</i>-Based Probiotic for the Control of Necrotic Enteritis in Broilers

Necrotic Enteritis (NE) caused by Clostridium perfringens (CP) in poultry is probably the most important bacterial disease in terms of economic implications. The disease is multi-factorial and is invariably associated with predisposing factors. The present study investigated the effect of a commercially available Lactobacillus-based probiotic (FM-B11) for the control of necrotic enteritis in broiler chickens. In experiment 1, one-day-of-hatch broiler chicks were randomly allocated to the following treatment groups: 1) Non-challenged (NC);2) Challenged (C);3) Challenged + probiotic (C+ FM-B11). Prior to placement, chicks in groups 2 and 3 received 0.25 mL of Salmonella typhimurium (ST) containing 105 cfu of viable cells by oral gavage. At 14, 15 and 16 days of age, all chicks in group 3 were treated with FM-B11 in the drinking water at a concentration of 106 cfu/ml. At 21d of age, all chicks in groups 2 and 3, were individually challenged with 5 × 104 sporulated oocysts of E. maxima by oral gavage. At 26d of age, all chicks in groups 2 and 3, were individually challenged with 108 cfu CP;body weight (BW) was recorded prior to challenge. The experiment was terminated at 29 days of age and the following parameters were evaluated: NE-associated mortality, CP lesion scores, CP concentrations in ileum, BW, and body weight gain (BWG). Chicks treated with FM-B11 had significantly (P < 0.05) higher body weight gain after challenge when compared to control challenge chickens. Total mortality was higher in the C group (48.8%) when compared to the C + FM-B11 (12.7%). Even though there was no significant (P > 0.05) difference in lesion score between C and C + FM-B11, group C + FM-B11 had significantly (P < 0.05) lower total number of cfu of CP recovered from the ileal mucosa and content samples when compared to group C. Experiment 2 was a unique and remarkable case report of a field outbreak of NE in a commercial broiler farm in Argentina. A reduction and control of the mortality associated with NE following 3 days of administration of FM-B11 was observed as compared with the control non treated house. These results imply that the commercially available Lactobacillus-based probiotic FM-B11 was able to reduce the severities of NE, as a secondary bacterial infection, in an experimental NE challenge model;as well as, in a commercial field outbreak of NE.

Idiopathic chronic ulcerative enteritis with perforation and recurrent bleeding: A case report

Idiopathic chronic ulcerative enteritis (ICUE) is a distinct entity without a defined etiology and is rarely seen in the clinic. Patients with ICUE mainly present with insidious abdominal symptoms such as chronic abdominal pain and intermittent gastrointestinal hemorrhage and symptoms of malnourishment in the early stages of the disease. ICUE is always difficult to diagnose. However, as the disease progresses, patients have a variety of acute abdominal complications such as hemorrhage, perforation, or ileus. Surgical intervention is always needed, and the condition can recur and require repeat laparotomy. When diffuse ulceration of the small bowel is present in the absence of recognizable causes, it is classified as nonspecific or idiopathic. The histological examination always demonstrates an acute, chronic inflammatory infiltration without giant cells, granulomas, or villous atrophy. The etiology of ICUE has not been identified, and its pathogenesis is poorly understood; therefore, radical surgical resection is considered the best available treatment. Here, we report a case of ICUE characterized by nonspecific, multiple, small intestinal ulcers resulting in perforation and recurrent bleeding. The differential diagnosis and the treatment are also discussed.

MiR-32-5p aggravates intestinal epithelial cell injury in pediatric enteritis induced by Helicobacter pylori

BACKGROUND Pediatric enteritis is one of the infectious diseases in the digestive system that causes a variety of digestive problems,including diarrhea,vomiting,and bellyache in children.Clinically,Helicobacter pylori(H.pylori)infection is one of the common factors to cause pediatric enteritis.It has been demonstrated that aberrant expression of microRNAs(miRNAs)is found in gastrointestinal diseases caused by H.pylori,and we discovered a significant increase of miR-32-5p in H.pylori-related pediatric enteritis.However,the exact role of miR-32-5p in it is still unknown.AIM To investigate the role of aberrant miR-32-5p in pediatric enteritis induced by H.pylori.METHODS MiR-32-5p expression was detected by quantitative real time-polymerase chain reaction.The biological role of miR-32-5p in H.pylori-treated intestinal epithelial cells was evaluated by Cell Counting Kit-8 assay and flow cytometry.The potential target of miR-32-5p was predicted with TargetScanHuman and verified by luciferase assay.The downstream mechanism of miR-32-5p was explored by using molecular biology methods.RESULTS We found that miR-32-5p was overexpressed in serum of H.pylori-induced pediatric enteritis.Further investigation revealed that H.pylori infection promoted the death of intestinal epithelial cells,and increased miR-32-5p expression.Moreover,miR-32-5p mimic further facilitated apoptosis and inflammatory cytokine secretion of intestinal epithelial cells.Further exploration revealed that SMAD family member 6(SMAD6)was the direct target of miR-32-5p,and SMAD6 overexpression partially rescued cell damage induced by H.pylori.The following experiments showed that miR-32-5p/SMAD6 participated in the apoptosis of intestinal epithelial cells induced by transforming growth factor-β-activated kinase 1(TAK1)-p38 activation under H.pylori infection.CONCLUSION Our work uncovered the crucial role of aberrant expression of miR-32-5p in H.pylori–related pediatric enteritis,and suggested that the TAK1-p38 pathway is involved in it.

Lupus enteritis as the only active manifestation of systemic lupus erythematosus: A case report

BACKGROUND Lupus enteritis is a rare manifestation of systemic lupus erythematosus (SLE). Diagnosis of this condition is difficult, especially in the absence of other symptoms related to active SLE. We present the case of a 25-year-old female with lupus enteritis as the sole initial manifestation of active SLE. CASE SUMMARY A 25-year-old African American female presented to the Emergency Department complaining of diffuse abdominal pain, diarrhea, nausea, and vomiting for 2 days. Her past medical history was significant for seasonal allergies and family history was pertinent for discoid lupus in her father and SLE in a cousin. The patient’s vital signs on presentation were normal. Her physical exam was remarkable for significant lower abdominal tenderness without guarding or rigidity. A computed tomography of the abdomen and pelvis revealed marked circumferential wall thickening and edema of the proximal and mid small bowel predominantly involving the submucosa. Our main differential diagnoses were intestinal angioedema and mesenteric vein thrombosis. However, mesenteric vessels were patent, and laboratory testing for hereditary angioedema showed a normal C1 Esterase Inhibitor level and low C3 and C4 levels. Infectious work-up was negative. Autoimmune tests showed elevated anti-nuclear antibodies (ANA)(13.6), anti-Smith antibody, and anti-ribonucleoprotein (anti-RNP) antibody. The patient was diagnosed with SLE enteritis. She was maintained on bowel rest, given intravenous hydration, and started on methylprednisolone 60 mg IV daily. She had significant improvement in her abdominal pain, diarrhea, and emesis after 2 days of treatment. Steroids were tapered and maintained on Hydroxychloroquine with no relapses one year after presentation.CONCLUSION This case of lupus enteritis represents a rare manifestation of SLE. Diagnosis requires clinical suspicion, characteristic imaging and laboratory tests. Endoscopic appearance and biopsies usually yield non-specific findings. High dose steroids are the preferred treatment modality for moderate and severe cases.

Dietary ellagic acid ameliorated Clostridium perfringens-induced subclinical necrotic enteritis in broilers via regulating inflammation and cecal microbiota

Background: Subclinical necrotic enteritis(SNE), a common intestinal disease of broiler caused by Clostridium perfringens, could reduce production performance of broilers by chronic intestinal damage and poor absorption of nutrients. Ellagic acid(EA) has been reported to present antioxidant and anti-inflammatory properties on human and animals in many aspects. This study was conducted to evaluate the effect and mechanism of EA in relieving SNE in broilers induced by C. perfringens.Results: C. perfringens challenge decreased body weight(BW), average daily gain(ADG), jejunal villi height/crypt depth(V/C) ratio, the activity of catalase(CAT) and the mRNA expression of zonula occludens 1(ZO-1) in jejunal mucosa of broilers. While feed conversion ratios(FCR), jejunal crypt depth(CD), the activities of myeloperoxidase(MPO) and diamine oxidase(DAO), as well as the concentrations of interleukin 6(IL-6), C-reactive protein(CRP) and procalcitonin(PCT) in serum, the activities of inducible nitric oxide synthase(iNOS) and lysozyme(LZM), the concentration of malondialdehyde(MDA), and the mRNA expressions of claudin-2, TNF-α, IL-1β, TLR-4, TLR-2, NF-κB,JAK3, STAT6 and iNOS in jejunal mucosa of broilers were increased by C. perfringens challenge. Dietary EA supplement relieved these adverse effects, and heightened jejunal villi height(VH), the concentration of D-xylose in plasma, activity of superoxide dismutase(SOD), and the mRNA expression of occludin in jejunal mucosa of broilers.The alpha diversity of cecal microbiota indicated that dietary EA supplement increased observed species and Shannon index. C. perfringens challenge increased the relative abundance of Firmicutes and decreased the relative abundance of Desulfobacterota in cecal microbiota. EA increased the relative abundance of Firmicutes in cecal microbiota. LEfSe analysis showed that C. perfringens challenge triggered the imbalance of cecal microbiota in broilers, dietary EA supplementation led to a small beneficial effect on microbiota, while the simultaneous effect of them seemed to stimulate the immune function of broilers by improving the microbiota balance.Conclusions: Dietary EA ameliorated C. perfringens-induced SNE in broilers via regulating jejunal inflammation signaling pathways TLR/NF-κB and JAK3/STAT6, relieving jejunal oxidative stress and balancing cecal microbiota to inhibit intestinal barrier damage, prevent systemic inflammatory response and improve nutrient absorption capacity,finally protect and enhance growth performance of broilers.