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Anti-Toxoplasma Activities of Zea Mays and Eryngium Caucasicum Extracts, In Vitro and In Vivo
Ahmadpour, Ehsan,Ebrahimzadeh, Mohammad Ali,Sharif, Mehdi,Edalatian, Sara,Sarvi, Shahabeddin,Montazeri, Mahbobeh,Mehrzadi, Saeed,Akbari, Mohammad,Rahimi, Mohammad Taghi,Daryani, Ahmad KOREAN PHARMACOPUNCTURE INSTITUTE 2019 Journal of pharmacopuncture Vol.22 No.3
Objectives: Toxoplasmosis is a worldwide health problem that caused by intracellular apicomplexan parasite, Toxoplasma gondii (T. gondii). Considering that the available drugs for toxoplasmosis have serious host toxicity, the aim of the current study was to survey the in vitro and in vivo anti-Toxoplasma activity of Zea mays (Z. mays) and Eryngium caucasicum (E. caucasicum) extracts. Methods: Four concentrations (5, 10, 25, and $50mg\;mL^{-1}$) of Z. mays and E. caucasicum methanolic extracts for 30, 60, 120, and 180 min were incubated with infected macrophages and then the viability of RH strain of T. gondii tachyzoites was evaluated by trypan blue staining method. Also, we evaluated the survival rate of acutely infected mice with the extracts (100 and $200mg\;kg^{-1}\;day^{-1}$) intraperitoneally for 5 days after infection with $2{\times}104$ tachyzoites of T. gondii. Results: The anti-Toxoplasma effect of the methanolic extracts were extremely significant compared to the negative control group in all exposure times (P < 0.05). The Z. mays (10, 25 and $50mg\;mL^{-1}$) killed 100% of the parasites after 180 and 120 min exposure, respectively. Also, high toxoplasmacidal activity was observed with E. caucasicum extract. Furthermore, treatment of experimentally infected mice with the Z. mays (100, $200mg\;kg^{-1}\;day^{-1}$) and E. caucasicum ($100mg\;kg^{-1}\;day^{-1}$) significantly increased their survival rate compared to untreated infected control (P < 0.05). Conclusion: These extracts are promising candidates for further medicine development on toxoplasmosis. However, further investigations are necessary to clarify effective fractions of the Z. mays and E. caucasicum extracts and the mechanisms of action.
Shahriar Ahmadpour,Khadijeh Foghi 대한해부학회 2014 Anatomy & Cell Biology Vol.47 No.4
We report on an extremely rare case of multiple absences of the branches of abdominal aorta with congenital absence of the portal vein, unilateral adrenal agenesis and persistent ductus arteriosus in an adult female cadaver. Specifically, instead of celiac trunk, superior and inferior mesenteric arteries, solely a single arterial trunk aroused from the anterior aspect of abdominal aorta, inferior phrenic and ovarian arteries were absent in both sides. Left kidneys drained by two veins. There were not superior, splenic and mesenteric veins, while left renal vein received an additional vein, which run downward and drained primarily all parts of digestive tract and its associated glands (portal vein did not exist). Right adrenal gland was absent. To the best of our knowledge, it is the only reported case with such widespread anomalies. We think the importance of this case is beyond the surgical consideration and needs more profound developmental studies.
Anti-Toxoplasma Activities of Zea Mays and Eryngium Caucasicum Extracts, In Vitro and In Vivo
Ehsan Ahmadpour,Mohammad Ali Ebrahimzadeh,Mehdi Sharif,Sara Edalatian,Shahabeddin Sarvi,Mahbobeh Montazeri,Saeed Mehrzadi,Mohammad Akbari,Mohammad Taghi Rahimi,Ahmad Daryani 대한약침학회 2019 Journal of pharmacopuncture Vol.22 No.3
Objectives: Toxoplasmosis is a worldwide health problem that caused by intracellular apicomplexan parasite, Toxoplasma gondii (T. gondii). Considering that the available drugs for toxoplasmosis have serious host toxicity, the aim of the current study was to survey the in vitro and in vivo anti-Toxoplasma activity of Zea mays (Z. mays) and Eryngium caucasicum (E. caucasicum) extracts. Methods: Four concentrations (5, 10, 25, and 50 mg mL -1 ) of Z. mays and E. caucasicum methanolic extracts for 30, 60, 120, and 180 min were incubated with infected macrophages and then the viability of RH strain of T. gondii tachyzoites was evaluated by trypan blue staining method. Also, we evaluated the survival rate of acutely infected mice with the extracts (100 and 200 mg kg -1 day -1 ) intraperitoneally for 5 days after infection with 2× 104tachyzoites of T. gondii. Results: The anti-Toxoplasma effect of the methanolic extracts were extremely significant compared to the negative control group in all exposure times (P < 0.05). The Z. mays (10, 25 and 50 mg mL -1 ) killed 100% of the parasites after 180 and 120 min exposure, respectively. Also, high toxoplasmacidal activity was observed with E. caucasicum extract. Furthermore, treatment of experimentally infected mice with the Z. mays (100, 200 mg kg -1 day -1 ) and E. caucasicum (100 mg kg -1 day -1 ) significantly increased their survival rate compared to untreated infected control (P < 0.05). Conclusion: These extracts are promising candidates for further medicine development on toxoplasmosis. However, further investigations are necessary to clarify effective fractions of the Z. mays and E. caucasicum extracts and the mechanisms of action.
Shahram Manoochehry(Shahram Manoochehry ),Hamid Reza Rasouli(Hamid Reza Rasouli ),Fathollah Ahmadpour(Fathollah Ahmadpour ),Alireza Keramati(Alireza Keramati ) 대한방사선종양학회 2023 Radiation Oncology Journal Vol.41 No.2
Purpose: This study aimed to evaluate the role of inflammatory blood markers in predicting the pathological response rate after neoadjuvant chemoradiation (neo-CRT) in patients with locally advanced rectal cancer (LARC). Materials and Methods: In this prospective cohort study, we analyzed the data of patients with LARC who underwent neo-CRT and surgical removal of the rectal mass between 2020 and 2022 in a tertiary medical center. Patients were examined weekly during chemoradiation and neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), monocyte-to-lymphocyte ratio (MLR), and systemic immune inflammation index (SII) were calculated from weekly laboratory data. Wilcoxon signed-ranks and logistic regression analysis were utilized to determine whether any laboratory parameters during different time point assessments or their relative changes could predict the tumor response based on a permanent pathology review. Results: Thirty-four patients were recruited for the study. Eighteen patients (53%) achieved good pathologic response. Statistical analysis by Wilcoxon signed-ranks method indicated significant rises in NLR, PLR, MLR, and SII on weekly assessments during chemoradiation. Having an NLR over 3.21 during chemoradiation was correlated with the response on a Pearson chi-squared test (p = 0.04). Also, a significant correlation was found between the PLR ratio over 1.8 and the response (p = 0.02). NLR ratio over 1.82 marginally missed a significant correlation with the response (p = 0.13). On multivariate analysis, a PLR ratio over 1.8 showed a trend for response (odds ratio = 10.4; 95% confidence interval, 0.9–123; p = 0.06). Conclusion: In this study, PLR ratio as an inflammatory marker showed a trend in the prediction of response in permanent pathology to neo-CRT.
Behravan, Javad,Ahmadpour, Hassan The Pharmaceutical Society of Korea 2004 Archives of Pharmacal Research Vol.27 No.7
Interferons are cytokines that confer resistance to viral infection and inhibit cellular proliferation. The interferon alpha gene from human blood samples was amplified, cloned and expressed in E. coli (BL21). Leukocyte chromosomal DNA was used as a source of template DNA. Using specific primers, the gene for HulFN$\{alpha}$-2b was amplified and inserted into the E. coli vector, pET21b, by ligation of the HindIII and BamHI linkers of the vector and insert. The insert was further analyzed by PCR, DNA restriction mapping and sequencing, and expressed in a suitable E. coli strain. The production of this important cellular protein in the laboratory has significant applications in production of the recombinant pharmaceutical proteins.
F. F. BAMOHARRAM,A. AHMADPOUR,M. M. HERAVI 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2011 NANO Vol.6 No.4
Multiwalled carbon nanotubes (MWCNTs) were synthesized by catalytic chemical vapor deposition method using Fe/Co catalyst over CaCO_3 support and acetylene gas as a carbon precursor in the temperature range of 650–800°C, and were modified with Preyssler anion nanostructures via impregnation method. The existence of nanoheteropolyacid [NaP_5W_(30)O_(110)]^(14) inside the MWCNTs was confirmed by infrared spectroscopy and transmission electron microscopy.
Morteza Davarpanah,ALI AHMADPOUR,Tahereh Rohani-Bastami,Hossein Dabir 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.30 No.-
Polystyrene resin was functionalized by diethanolamine for the efficient removal of p-toluenesulfonicacid (p-TSA) from aqueous solution. Functionalized adsorbent (DEA-PS) was characterized by elementalanalysis, Fourier transform infrared spectroscopy, point of zero charge measurement and field-emissionscanning electron microscopy. According to the results, maximum removal of p-TSA was observed at thepH range of 2.5–5. The adsorption kinetics of p-TSA onto DEA-PS was represented by pseudo-first-ordermodel and the equilibrium data followed Langmuir model well. The adsorption process wasendothermic and spontaneous, along with the positive change of entropy. The regeneration of DEAPSwas also conducted by 1 M NaOH solution.
ALI AYATI,ALI AHMADPOUR,FATEMEH F. BAMOHARRAM,MAJID M. HERAVI,HAMED RASHIDI 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2012 NANO Vol.7 No.1
Preparation of gold nanoparticles by chemical reduction method using Preyssler heteropolyacid was investigated. The experimental conditions have been optimized using Taguchi robust design method with L9 orthogonal array. Particle size of the gold nanoparticles was considered as the property in the optimization. Amounts of Preyssler heteropolyacid, pH and irradiation time were selected as the main parameters. The result of Taguchi analysis has shown that in this process, the preyssler acid amount is the most influencing parameter on the size of gold nanoparticle. Also, the effects of different parameters are in order to: Preyssler acid amount > pH > irradiation time (negligible). This method showed that decreasing Preyssler amount and increasing pH of solution lead to formation of smaller nanoparticles. Finally, the prepared nanoparticles at optimum condition with a size of about 6.42 were characterized by using Dynamic Light Scattering (DLS) method, transmission electron microscopy (TEM), and UV-Vis spectroscopy.
Tahereh Rohani Bastami,ALI AHMADPOUR,Fatemeh Ahmadi Hekmatikar 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.51 No.-
Magnetic Fe3O4/Bi2WO6 nanohybrids were prepared via a two-step approach. Fe3O4 nanospheres weresynthesized using a solvothermal method in polyol media and Bi2WO6 nanocrystals were formed by thesubsequent hydrothermal process. In the preparation process of Bi2WO6 nanoparticles, tungstophos-phoric acid hydrate (H3PW12O40) was used as an acidic agent. The activity of the photocatalyst wasevaluated by the photocatalytic degradation of ibuprofen (IBP) from an aqueous solution with solar light. The as-prepared nanohybrid, which could be easily recovered by a magnet, showed high efficiency inphotocatalytic degradation of IBP, especially at pH = 4.7.
Javad Behravan,Hassan Ahmadpour 대한약학회 2004 Archives of Pharmacal Research Vol.27 No.7
Interferons are cytokines that confer resistance to viral infection and inhibit cellular proliferation. The interferon alpha gene from human blood samples was amplified, cloned and expressed in E. coli (BL21). Leukocyte chromosomal DNA was used as a source of template DNA. Using specific primers, the gene for HuIFNa-2b was amplified and inserted into the E. coli vector, pET21b, by ligation of the HindIII and BamHI linkers of the vector and insert. The insert was further analyzed by PCR, DNA restriction mapping and sequencing, and expressed in a suitable E. coli strain. The production of this important cellular protein in the laboratory has significant applications in production of the recombinant pharmaceutical proteins.