Effect of ZnO nanoparticles in treatment of broilers with Eimeria tenella. experimentally infected.

Abstract Coccidiosis is one of the common poultry diseases in Iraq and the world, which causes great economic losses. Therefore, this study aimed to use a new treatment represented by nanoparticles of zinc oxide and compare it with the drug (Amprolium). The Oocysts of Eimeria tenella were isolated from the feces of the briolers received at the Veterinary hospital in Diwaniyah Province and initially diagnosed by compound light microscopy,Then it was confirmed molecularly by PCR technique using the internal transcribed space ITS1 gene with a molecular weight of 409bp. The experiment was carried out on 120 birds of broilers, as the animals were divided into 6 groups with 20 birds per group. The first group(G1) was left as a negative control(uninfected), the second group(G2) was inoculated with 50,000 mature Oocysts and left as a positive control group,the third group(G3) was incubated with 50,000 Oocysts + Amprolium (anticoccidial), the fourth, fifth and sixth groups(G4,G5,G6) were also dosed with 50,000 Oocysts followed by an oral dose of nanoparticles of zinc oxide at a concentration of 20,40,60 mg/kg for each of fourth, fifth and sixth groups respectively. The current results showed that the briolers in G2 suffered from severe disease symptoms and high mortality occurred in the first week of infection, amounting to %10 compared to the anticoccidial (Amprolium group and the groups treated with nanoconcentrations 20,40,60 mg/kg respectively.G6 which was dosed with a concentration of 60 mg /kg, showed a significant decrease in the number of Oocysts excreted compared with the positive control group and the anticoccidial group, in addition to the appearance of mild symptoms and a mortality rate of %0.8,While there was a decrease in the number of Oocysts excreted during the second week in the anticoccidial group and the treated groups with the three nanoconcentrations with a decrease in the mortality rates of birds .The number of Oocysts excreted in the litter significantly decreased in the treated group with a concentration of 60 mg/kg compared to all other groups, and all birds of this group recovered during the second week of infection.

Download Full-text

PENGARUH PEMBERIAN MINYAK BUAH MERAH (Pandanus conoideus lam) TERHADAP KADAR GLUKOSA DARAH DAN MALONDIALDEHID SERUM MENCIT YANG DIINDUKSI ALOKSAN

Majalah Kedokteran Andalas ◽

10.22338/mka.v34.i1.p79-87.2010 ◽

2015 ◽

Vol 34 (1) ◽

pp. 79

Author(s):

Husnil Kadri ◽

Ezy Julianx Jarit ◽

Erlina Rustam

Keyword(s):

Oxidative Stress ◽

Blood Glucose ◽

Negative Control Group ◽

Treated Group ◽

Positive Control ◽

Negative Control ◽

Positive Control Group ◽

Control Group ◽

Reduce Blood Glucose ◽

Fruit Oil

AbstrakTujuan penelitian ini adalah untuk menentukan efek pemberian minyak buah merah (pandanus conoideus lam) terhadap kadar glukosa darah dan malondialdehid (MDA) serum mencit yang diinduksi dengan aloksan. Induksi aloksan ini menyebabkan hiperglikemia yang dapat mencetuskan stres oksidatif. Minyak buah merah yang mengandung banyak antioksidan dapat mengendalikan stres oksidatif yang akhirnya dapat menurunkan kadar glukosa darah dan MDA serum.Penelitian eksperimental ini menggunakan 15 ekor mencit jantan yang diseleksi secara random. Hewan coba dibagi menjadi 3 kelompok masing-masing terdiri 5 ekor mencit, yaitu; kelompok kontrol negatif yang hanya diberikan makan dan minum, kelompok kontrol positif yang diinduksi aloksan, dan kelompok perlakuan (diberi minyak buah merah oral) yang diinduksi aloksan. Setelah perlakuan hari ke-14, darah mencit diambil untuk diperiksa kadar glukosa darah dan MDA serum.Hasil penelitian menunjukkan rerata kadar glukosa darah kelompok kontrol negatif adalah 141,20 ± 13,10 mg/dl. Rerata kadar glukosa darah kelompok kontrol positif adalah 266,00 ± 111,10 mg/dl. Rerata kadar glukosa darah kelompok perlakuan adalah 194,80 ± 27,00 mg/dl. Rerata kadar MDA serum kelompok kontrol negatif adalah 0,91 ± 0,10 nmol/ml. Rerata kadar MDA serum kelompok kontrol positif adalah 1,49 ± 0,34 nmol/ml. Rerata kadar MDA kelompok perlakuan adalah 0,97 ± 0,14 nmol/ml. Perbedaan bermakna kadar glukosa darah hanya antara kelompok kontrol negatif dengan kelompok perlakuan (p<0.05). Analisis statistik kadar MDA serum menunjukkan terdapat perbedaan bermakna antara kelompok kontrol positif dengan kelompok perlakuan (p< 0,05).Kesimpulan dari penelitian ini ialah minyak buah merah tidak mampu menurunkan kadar glukosa darah pada kelompok perlakuan, tetapi minyak buah merah mampu menurunkan kadar MDA serum pada kelompok perlakuan.Kata kunci: minyak buah merah, glukosa darah, MDA serum, mencit, aloksanARTIKEL PENELITIAN80AbstractThe objective of this studi was to determine the effect of red fruit oil (pandanus conoideus lam) on blood glucose and serum malondialdehyde in alloxan induced diabetic mice. Hyperglycemia in this mice could lead to oxidative stress. Red fruit oil contains high antioxidants that have capability to control oxidative stress, so blood glucose and serum MDA is reduced.This experimental study had been carried out to 15 rats (randomized group design) which divided into three group of five rats each, i.e. negative control, positive control (alloxan induced), and the group was treated by alloxan induced which followed by red fruit oil orally for 14 days. The result was analyzed by using one way Anova with confidence interval 95%.The result show that blood glucose in negative control was 141.20 ± 13.10 mg/dl. Blood glucose in positive control was 266.00 ± 111.10 mg/dl. Blood glucose in the group was treated by alloxan induced which followed by red fruit orally is 194.80 ± 27.00 mg/dl. The MDA level in negative control group is 0.91 ± 0.10 nmol/ml, positive control group is 1.49 ± 0.34 nmol/ml, and the group was treated by alloxan induced which followed by red fruit orally is 0.97 ± 0.14 nmol/ml. Blood glucose was significantly different between negative control and treated group (p<0.05). Serum MDA was significantly different between positive control group and the group was treated by alloxan induced which followed by red fruit orally (p<0.05).The conclusion is red fruit oil cannot reduce blood glucose level in the group was treated by alloxan induced which followed by red fruit orally, but it has capability to quench serum MDA level in this group.Key word: red fruit oil – blood glucose – serum MDA – mice – alloxan

Download Full-text

Chitosan nanoparticle vaccine loaded with crude extracellular proteins of C. perfringens and Salmonella flagella is partially protective against necrotic enteritis in broiler chickens

10.1101/2020.10.15.340661 ◽

2020 ◽

Author(s):

Gabriel Akerele ◽

Nour Ramadan ◽

Muhammed Mortada ◽

Revathi Shanmugasundaram ◽

Sankar Renu ◽

...

Keyword(s):

Statistical Significance ◽

Positive Control ◽

Negative Control ◽

Extracellular Proteins ◽

Positive Control Group ◽

Economic Losses ◽

Control Group ◽

Necrotic Enteritis ◽

Mrna Levels ◽

Control Groups

AbstractNecrotic enteritis (NE) causes significant economic losses and food shortages world-wide. There are currently no licensed commercial vaccines against NE in broilers. Chitosan nanoparticles were formulated with extracellular proteins of C. perfringens surface-tagged with Salmonella flagellar proteins. One-day-old male broiler chicks were completely randomized to 3 treatments: Non-vaccinated non-challenged as negative control, Vaccinated-challenged, and non-vaccinated challenge as positive control. On day of hatch, d7, and d14 post-hatch, vaccinated-challenged birds were orally gavage with 50μg vaccine in 0.5ml PBS while positive control birds were gavage with 0.5ml PBS only. Birds in the vaccinated-challenged and positive control groups were orally infected on d14 post-hatch, with 5,000 oocysts/bird of E. maxima, followed by log 8 CFU of a virulent strain of C. perfringens on d19, d20, and d21 post-hatch. From d14 to 21 and d14 to 28 post-hatches, mortality in the vaccinated-challenged group was higher than that in the positive control group, approaching statistical significance (p=0.07). On d21 post-hatch, the mean lesion score of 3 birds/cage in the vaccinated-challenged group was higher than the positive control group, approaching statistical significance (p = 0.05). From d 14 to 28 post-hatch, the feed intake was higher and feed conversion ratio lower in the vaccinated-challenged group compared to the positive control group (p<0.05). On d21 post-hatch, antigen specific recall proliferation in the vaccinated-challenged group was higher than that in the negative and positive control groups (p<0.05). On d21 post-hatch, cecal tonsils CD8+ T lymphocytes expression in the vaccinated-challenged group was similar to the negative control group (p>0.05) but higher than that in the positive control group (p<0.05). Finally, vaccination resulted in an increase in ileal mRNA levels of zonula occluding on d21 post-hatch. In conclusion, there were numerical but not statistically significant decrease in NE lesions and mortality in vaccinated and challenged broilers. Further studies are needed to improve the efficacy of the vaccine and understand the mechanism underlying protection in vaccinated birds.

Download Full-text

Protective Effect of Potential Probiotic Strains from Fermented Ethiopian Food against Salmonella Typhimurium DT104 in Mice

International Journal of Microbiology ◽

10.1155/2020/7523629 ◽

2020 ◽

Vol 2020 ◽

pp. 1-8 ◽

Cited By ~ 1

Author(s):

Guesh Mulaw ◽

Diriba Muleta ◽

Anteneh Tesfaye ◽

Tesfaye Sisay

Keyword(s):

Survival Rate ◽

Growth Inhibition ◽

Negative Control Group ◽

Treated Group ◽

Positive Control ◽

Negative Control ◽

Positive Control Group ◽

Control Group ◽

Mixed Potential ◽

Probiotic Strains

Salmonella is one of the most harmful pathogens responsible for foodborne outbreaks, illnesses and deaths. The aim of this study was to evaluate the effect of potentially probiotic strains against Salmonella Typhimurium DT104 in mice. The compatibility test among the selected potential probiotic strains (Lactobacillus plantarum K132, Lactobacillus paracasei K114 and Lactococcus lactis E124) using the cross-streaking method showed the absence of antagonism. The anti-Salmonella activities of coculture of the isolated potential probiotics in the form of mixed or single culture showed a remarkable anti-Salmonella activity with 96.50 to 100% growth inhibition. The combination of strains, which showed the highest growth inhibition rates against Salmonella Typhimurium DT104, was used to test their effect on the colonization of mice by Salmonella Typhimurium DT104. White albino male mice were pretreated with the mixed potential probiotics for 7 days and infected with Salmonella Typhimurium DT104 for 1 day. A total of 3 treatments were applied, during which the negative control group was treated with phosphate-buffered saline (PBS); a positive control group (typ) was challenged with Salmonella Typhimurium DT104 alone. The treated group (pro-typ) was pretreated with mixed potential probiotic culture and then infected with Salmonella Typhimurium DT104. The survival rate of mice and counts of Salmonella in feces were recorded. The survival rate of mice on day 21 after the oral challenge with Salmonella Typhimurium DT104 was significantly p<0.05 higher in the experimental pro-typ group (100% survival) compared with the positive control group (20% survival). The counts (colony-forming unit per ml) of Salmonella in feces were significantly lower p<0.05 for the pro-typ group compared to the typ group. The combination of potential probiotic strains was able to protect mice against Salmonella Typhimurium DT104 infection that demonstrates their potential to be used as probiotic cultures for the production of functional fermented products.

Download Full-text

Gambaran Glukosa Darah Setelah Latihan Fisik pada Tikus Wistar Diabetes Melitus yang Diinduksi Aloksan

Jurnal Kesehatan Andalas ◽

10.25077/jka.v4i1.179 ◽

2015 ◽

Vol 4 (1) ◽

Author(s):

Ahmad Syukri Harahap ◽

Rahmatina B. Herman ◽

Eti Yerizel

Keyword(s):

Blood Glucose ◽

Physical Exercise ◽

Fasting Blood Glucose ◽

Negative Control Group ◽

Treated Group ◽

Positive Control ◽

Negative Control ◽

Positive Control Group ◽

Control Group ◽

Diabetes Melitus

AbstrakDiabetes Melitus telah dikategorikan sebagai penyakit global yang prevalensinya terus meningkat dan penyebab utama morbiditas dan mortalitas. Latihan fisik merupakan salah satu tatalaksana untuk mengontrol glukosa darah secara nonfarmakologis. Tujuan dari penelitian ini adalah untuk mengetahui gambaran kadar glukosa darah pada tikus Wistar diabetes melitus yang diinduksi aloksan setelah pemberian latihan fisik. Penelitian eksperimental ini menggunakan 18 ekor tikus Wistar dengan berat badan 150-200 gram yang dibagi menjadi tiga kelompok, yaitu 6 ekor kelompok kontrol negatif (K-), 6 ekor kelompok kontrol positif (K+) dengan induksi aloksan tanpa pemberian latihan fisik dan 6 ekor kelompok perlakuan (P) dengan induksi aloksan dan diberi latihan fisik selama 4 minggu. Pengukuran kadar glukosa darah dilakukan dengan glucometer merek Accu-Check. Hasil penelitian menunjukkan peningkatan rata-rata kadar glukosa darah puasa secara bermakna pada kelompok kontrol positif (K+) dan perlakuan (P) setelah periode induksi yaitu, pada kelompok kontrol negatif 84,83±6,88 mg/dl, kelompok kontrol positif 220,80±12,29 mg/dl, dan kelompok perlakuan 248,50±94,55 mg/dl (p<0,05). Setelah periode latihan fisik, terdapat penurunan rata-rata glukosa darah puasa secara bermakna pada kelompok kontrol positif (K+) dan Perlakuan (P), namun penurunan pada kelompok perlakuan (P) lebih besar secara bermakna dibandingkan dengan kelompok kontrol positif (K+), yaitu rata-rata glukosa darah puasa kelompok kontrol positif 192,00±12,00 mg/dl dan kelompok perlakuan 163,00±20,26 mg/dl (p<0,05). Kesimpulan hasil penelitian ini adalah terdapat penurunan kadar glukosa darah puasa setelah latihan fisik.Kata kunci: latihan fisik, glukosa darah, diabetes melitusAbstractDiabetes Melitus has been categorized as a global disease which have increasing prevalence and the mine cause of morbidity and mortality. Phyisical exercise is one of the nonpharmacological treatment to control blood glucose. The objective of this research was to determine the blood gucose levels of aloksan induced’s wistar rat after physical exercise.The research used 18 wistar rats 150-200 gram weight, divided into three groups, as six negative control group (K-), six positive control group inducing aloksan without physical exercise (K+) and six treated group inducing aloksan with physical exercise for four weeks (P). Blood glucose was measured by Accu Check’s glucometer.The result showed an increase in fasting blood glucose level significantly on positive control group (K-) and treated group (P) after induced period, which was 84,83±6,88 mg/dl on negative control group, 220,80±12,29 mg/dl on positive control group, and 248,50±94,55 mg/dl on treated group (p<0,05). After physical exercise period, there was a decrease in fasting blood significantly on K+ and P, but in P group have more greater than K+ group, 192,00±12,00 mg/dl on positive control group (K+) and 163,00±20,26 mg/dl on treated group (P).Conclusion of this research is a decrease in fasting blood glucose levels after phyisical exercise.Keywords: physical exercise, blood glucose, diabetes melitus

Download Full-text

Resistance to Fracture of Dental Roots Obturated with Different Materials

BioMed Research International ◽

10.1155/2015/591031 ◽

2015 ◽

Vol 2015 ◽

pp. 1-5 ◽

Cited By ~ 6

Author(s):

Berkan Celikten ◽

Ceren Feriha Uzuntas ◽

Kamran Gulsahi

Keyword(s):

Fracture Resistance ◽

Testing Machine ◽

Negative Control Group ◽

Positive Control ◽

Negative Control ◽

Positive Control Group ◽

Control Group ◽

Root Canal Filling ◽

Filling Materials ◽

Group 2

The aim of this study was to compare the vertical fracture resistance of roots obturated with different root canal filling materials and sealers. Crowns of 55 extracted mandibular premolar teeth were removed to provide root lengths of 13 mm. Five roots were saved as negative control group (canals unprepared and unfilled). Fifty root canals were instrumented and then five roots were saved as positive control group (canals prepared but unfilled). The remaining 45 roots were randomly divided into three experimental groups (n=15root/group) and obturated with the following procedures: in group 1, glass ionomer-based sealer and cone (ActiV GP obturation system); in group 2, bioceramic sealer and cone (EndoSequence BC obturation system); and in group 3, roots were filled with bioceramic sealer and cone (Smartpaste bio obturation system). All specimens were tested in a universal testing machine for measuring fracture resistance. For each root, the force at the time of fracture was recorded in Newtons. The statistical analysis was performed by using Kruskal-Wallis and post hoc test. There were no significant differences between the three experimental groups. The fracture values of three experimental and negative control groups were significantly higher than the positive control group. Within the limitations of this study, all materials increased the fracture resistance of instrumented roots.

Download Full-text

Biosafety devices to control the spread of potentially contaminated dispersion particles. New associated strategies for health environments

PLoS ONE ◽

10.1371/journal.pone.0255533 ◽

2021 ◽

Vol 16 (8) ◽

pp. e0255533

Author(s):

Victor Angelo Martins Montalli ◽

Patrícia Rejane de Freitas ◽

Milenna de Figueiredo Torres ◽

Oscar de Figueiredo Torres Junior ◽

Dienne Hellen Moutinho De Vilhena ◽

...

Keyword(s):

Negative Control Group ◽

Positive Control ◽

Negative Control ◽

High Rate ◽

Positive Control Group ◽

Control Group ◽

Healthy Environment ◽

The Mean ◽

Petri Dishes ◽

Uv C

Dental procedures produce a large amount of spatter and aerosols that create concern for the transmission of airborne diseases, such as Covid-19. This study established a methodology with the objective of evaluating new associated strategies to reduce the risk of cross-transmission in a health environment by simulating spread of potentially contaminated dispersion particles (PCDP) in the environment. This crossover study, was conducted in a school clinic environment (4 clinics containing 12 dental chairs each). As a positive control group (without barriers), 12 professionals activated at the same time the turbine of dental drill, for one minute, with a bacterial solution (Lactobacillus casei Shirota, 1.5x108 CFU/mL), which had been added in the cooling reservoir of the dental equipment. In the experimental groups, the professionals made use of; a) an individual biosafety barrier in dentistry (IBBD) which consists of a metal support covered by a disposable PVC film barrier; b) a Mobile Unit of Disinfection by Ultraviolet-C, consisting of 8 UV lamps-C of 95W, of 304μW/cm2 of irradiance each, connected for 15 minutes (UV-C) and; c) the association between the two methods (IBBD + UV-C). In each clinic, 56 Petri dishes containing MRS agar were positioned on the lamps, benches and on the floor. In addition, plates were placed prior to each test (negative control group) and plates were also placed in the corridor that connects the four clinics. In the groups without barrier and IBBD + UV-C the passive air microorganisms in Petri dishes was also evaluated at times of 30, 60, 90 and 120 minutes after the end of the dental’s drill activation. The mean (standard deviation) of CFU of L. casei Shirota for the positive control group was 3905 (1521), while in the experimental groups the mean using the IBBD was 940 (466) CFU, establishing a reduction on average, of 75% (p<0.0001). For the UV-C group, the mean was 260 (309) CFU and the association of the use of IBBD + UV-C promoted an overall average count of 152 (257) CFU, establishing a reduction on average of 93% and 96%, respectively (p<0.0001). Considering these results and the study model used, the individual biosafety barrier associated with UV-C technology showed to be efficient strategies to reduce the dispersion of bioaerosols generated in an environment with high rate of PCDP generation and may be an alternative for the improvement of biosafety in different healthy environment.

Download Full-text

Efektivitas Ekstrak Artemisia vulgaris L. sebagai Hepatoprotektor pada sel-sel Hati Tikus yang Diinduksi Niasin

Pustaka Kesehatan ◽

10.19184/pk.v6i2.7617 ◽

2018 ◽

Vol 6 (2) ◽

pp. 251

Author(s):

Laily Rahmawati ◽

Erma Sulistyaningsih ◽

Rosita Dewi

Keyword(s):

Treatment Group ◽

Liver Damage ◽

Negative Control Group ◽

Positive Control ◽

Negative Control ◽

Positive Control Group ◽

Control Group ◽

Artemisia Vulgaris ◽

Group I ◽

Group Ii

The niacin in energy drinks has metabolic product that cause oxidative stress and liver damage, while the liver damage can be prevented by hepatoprotective agents. Scoparone in Artemisia vulgaris L. can act as a hepatoprotector by its antioxidant effect. This study aimed to investigate the effectivity of Artemisia vulgaris L. extract as a hepatoprotector in wistar hepatocytes induced by niacin. This study used 25 male rats which were divided into 5 groups: normal, the negative control, the positive control, the treatment group I, and II. Treatment was conducted for 28 days. The samples were terminated and the hepatocyte were prepared for histological examination. Histological appearance was catagorized as mild, moderate, and severe damage with or without inflamatory cells activity. The data analysis by Kruskal Wallis showed significant difference (p<0,001). Further analysis by Mann Whitney revealed significantly difference (p<0,05) between normal group and all groups, negative control group and positive control group, and positive control group and treatment group I, but not significantly difference between negative control group and treatment group I, negative control group and treatment group II, positive control group and treatment group II, and between treatment groups. The study concluded that the effectivity of Artemisia vulgaris L. extract has not been proven as a hepatoprotector but further study is needed to draw a definite conclusion. Keywords: energy drink, niacin, Artemisia vulgaris L., hepatoprotector

Download Full-text

PENGGUNAAN KRIM EKSTRAK BATANG DAN DAUN SURUHAN (Peperomia pellucida L.H.B.K) DALAM PROSES PENYEMBUHAN LUKA BAKAR PADA TIKUS PUTIH (Rattus norvegicus)

Biopendix: Jurnal Biologi, Pendidikan dan Terapan ◽

10.30598/biopendixvol1issue2page198-208 ◽

2015 ◽

Vol 1 (2) ◽

pp. 198-208

Author(s):

Nur Fitri

Keyword(s):

Treatment Group ◽

Rattus Norvegicus ◽

Leaf Extract ◽

Healing Process ◽

Negative Control Group ◽

Positive Control ◽

Negative Control ◽

Positive Control Group ◽

Control Group ◽

Herbaceous Plant

Background: Peperomia pellucida L'HBK or known as messengers in the Indonesian plant is a herbaceous plant that belongs to the family Piperaceae. This study aimed to determine the effect of the stem and leaf extract cream messengers to the healing process of burns in rats (Rattus norvegicus. Methods: This was an experimental study using a completely randomized design. Test animals were divided into three groups, each - each group consisted of 3 rats. The first group is the negative control group (distilled water), the second group is a positive control group (Bioplacenton®), the third group is the group treated stem and leaf extract cream errand. The diameter of the wound and fibroblasts observed histopathology and is used as an indicator of the healing process of burns. The burns were treated and observed the healing effect for 20 days. Data were analyzed statistically wound diameter using ANOVA followed by LSD test. Results: The results showed the cream extracts of stems and leaves telling effect on the healing process of burns on rats. Conclusion: The results also showed that the treatment group and the leaf stem extract cream messengers and control groups positively influence the healing process of burns significantly when compared to the negative control group. Meanwhile, the treatment group stem and leaf extract cream messengers have no preformance difference influence the healing process of burns a significant positive control group

Download Full-text

EKSPRESI Tumor Necrosis Factor alpha (TNF-α) DAN Transforming growth factors beta (TGF-β) PADA PERIODONTITIS APIKALIS KRONIS AKIBAT INDUKSI Enterococcus faecalis PADA TIKUS WISTAR

Conservative Dentistry Journal ◽

10.20473/cdj.v7i2.2017.66-73 ◽

2019 ◽

Vol 7 (2) ◽

pp. 66

Author(s):

Richard Fritzgerald ◽

Cecilia Lunardhi ◽

Ruslan Effendy ◽

Tamara Yuanita

Keyword(s):

Tissue Damage ◽

Treated Group ◽

Positive Control ◽

Negative Control ◽

Control Group ◽

Transforming Growth Factors ◽

Necrosis Factor Alpha ◽

Tnf Α ◽

Factor Alpha ◽

Necrosis Factor

Background. Root canal treatment is a main role in decreasing infection from root canal and pulp. The main cause of periapical damage mostly are bacteries. E.faecalis is a bactery that is found as an etiology of endodontic treatment failure. Cell wall of this bacteria is containing Lipoteichoic acid (LTA). LTA can penetrate into the periradicular tissue, act as endotoxin in host and cause periradicular inflammation then lead to bone destruction. LTA stimulates immunology reaction that produce Tumor Necrosis Factor alpha (TNF-α) and Transforming growth factors beta (TGF-ß). TNF-α is a main mediator and also have an important role in inflamation response otherwise TGF-ß is working as a multifunction regulator of cell growth and differentiation during reforming and remodelling. Purpose. The aim of this study is to know about the expression of TNF-α and TGF-ß during the periapical tissue damage due to induction of E.faecalis. Method. This study used laboratory experimental with the post test only control group design. A total of 30 male rats were randomly divided into 3 main groups, Group A (control negative) : normal tooth. Group B (control positive) : every tooth was induced only by sterile BHI-b. Group C (treated group) : every tooth was induced by 10 μl BHI-b E.faecalis ATCC212(106 CFU). The animals were sacrificed 21 days later and prepared for histological examination of tissue damage, then we did the immunohistochemistry followed by calculation on the light microscope. Result. The analysis revealed that the expression of TNF-α at treated group are higher than negative control and positive control but the expression of TGF-ß at treated group are higher than the negative control group but lower than positive control. Conclusion. From this study we know that the expression of TNF-α and TGF-ß are changing during the periapical tissue damage that induced by E.faecalis.

Download Full-text

Effect of Black Seed (Nigella sativa) and Uziza (Piper guineense) Leaf on the Histology of the Liver of Wistar Albino Rats

Biotechnology Journal International ◽

10.9734/bji/2019/v23i230075 ◽

2019 ◽

pp. 1-11

Author(s):

Okoye Ngozi Franca ◽

Ikiriko, Favour Ibiwari

Keyword(s):

Aqueous Extract ◽

Nigella Sativa ◽

Positive Control ◽

Negative Control ◽

Positive Control Group ◽

Control Group ◽

Dependent Manner ◽

Piper Guineense ◽

The Third ◽

Black Seed

Aim: This study was aimed at investigating the effects of aqueous extracts of both Nigella sativa and Piper guineense on the liver enzymes; alanine amino transferase (ALT), aspartate amino transferase (AST) and alkaline phosphatase (ALP). Also the effect of Nigella sativa and Piper guineense extracts on the histology of the liver of Wistar rat was also studied. Materials and Methods: A total of twenty five Wistar rats were used for the study. The animals were grouped into five groups, each having five animals. They were induced with sucrose and margarine to cause high sugar levels and hyperlipidemia respectively except the positive control group which was fed normal feed. The groups were: the positive control group, the negative control group which were induced without treatment, the uziza leaf group which were induced and were treated with 2 ml of aqueous extract of uziza leaf, the black seed group which were induced and were treated with 2 ml of aqueous extract of black seed, and the black seed and uziza group which were induced and were treated with 2ml of aqueous extract of black seed and 2 ml of aqueous extract of uziza leaf. Results: The result showed that the extracts decreased the ALT and AST and ALP activities in the rats in a time dependent manner with highest decrease obtained on the third week of treatment with the extracts. The ALT activity (U/L) on the third week of treatment showed for the, negative control (64.48 ± 0.22), uziza leaf (28.82 ± 0.12), black seed (32.65 ± 0.02), black seed and uziza leaf (16.04 ± 0.02) (p≤0.05). The decrease in activity for AST levels (U/L) on the third week of treatment, showed for the negative control (58.00 ± 0.02), uziza leaf (11.00 ± 0.01), black seed (12.00 ± 0.02), black seed and uziza leaf (8.00 ± 0.02). Conclusion: It can be concluded that both uziza leaf and black seed have hepatoprotective effect on the liver.

Download Full-text