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RISS 인기검색어
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- 저자 : Sepehrimanesh M (검색결과 4 건)
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Super pregnancy in a BALB/c mouse superovulated with PMSG
Hanieh Vaseghi,Asghar Mogheiseh,Masood Sepehrimanesh,Mojtaba Kafi,Mohammad Hossein Nooranizadeh 한국실험동물학회 2017 Laboratory Animal Research Vol.33 No.3
This paper reports a case of super pregnancy in a BALB/c mouse pregnant with 30 pups following induction of superovulation using a PMSG-hCG protocol. Superovulation was induced in 10 mice by injecting 5 IU PMSG followed by 5 IU hCG 48 hours later. Immediately after injection of hCG, animals were placed with males at a ratio of 1 to 1 for 24 hours. On day 14 after mating, animals were killed by cervical dislocation and the uterus was examined for pregnancy and the number of fetuses. The mean (±SEM) number of fetuses observed in ten mice was 5.4±3.18 with an unexpectedly super pregnant mouse bearing 30 fetuses on day 14 of pregnancy.
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Induction of superovulation in mature mice and rats using serum of spayed female dogs
Nooranizadeh MH,Mogheiseh A,Kafi M,Sepehrimanesh M,Vaseghi H 한국실험동물학회 2018 Laboratory Animal Research Vol.34 No.4
The following experiments were designed to examine the effect of serum of spayed dogs on superovulation response in mice and rats. In Experiment 1, female mice at diestrus (n=30) were divided into three equal groups and superovulated with either administration of 5 IU pregnant mare serum gonadotropin (PMSG) or recombinant follicle stimulating hormone (rFSH) (reducing dose from 2.5 to 0.5 IU) and 5 IU human chorionic gonadotropin (hCG) administered 48h later. Serum of spayed dogs was administered intraperitoneally at a reduced dose from 0.1 to 0.025 mL in a 48 h period. In Experiment 2, female rats (n=30) at diestrus stage were divided into three equal groups. Superovulation was induced using either 30 IU PMSG, or a dose reduced from 5 to 1 IU rFSH and 25 IU hCG administered 48h later. Serum of spayed dogs was administered in a reduced dose from 0.6 to 0.1 mL in a 48 hour period. Female mice and rats were mated 24 h following hCG administration. On day 14 after mating, animals were euthanized and ovarian sections were fixed for histopathological evaluation and corpus luteum (CL) counting. No significant difference observed in mean (±SEM) number of CLs between the PMSG group and the mice that received serum of spayed dog (10.4±1.3 vs 9.2±1.0). Mean (±SEM) number of CLs tended to be lower in rats that received serum of spayed dog than those of rats which received either PMSG or rFSH (15.1±1.9 vs 23.6±3.1 and 23.1±2.9, P=0.06, respectively). In conclusion, serum of spayed dogs is able to induce a superovulatory response in mice and rats.
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Fariborz Mansour-Ghanaei,Farahnaz Joukar,Ali Akbar Khalesi,Mohammadreza Naghipour,Masood Sepehrimanesh,Kourosh Mojtahedi,Sara Yeganeh,Hamid Saeidi Saedi,Saba Fakhrieh Asl 한국간담췌외과학회 2020 Annals of hepato-biliary-pancreatic surgery Vol.24 No.3
Backgrounds/Aims: Acute pancreatitis is the most widespread complication of endoscopic retrograde cholangiopancreatography. Here, we investigated the efficacy of rectal suppository naproxen, sublingual isosorbide dinitrate and their co-administration in the prevention of post-ERCP pancreatitis. Methods: This double-blind randomized clinical trial carried out from June 2015 to February 2016 at the Gastrointestinal and Liver Diseases Research Center in Rasht, Iran. A total of 585 patients were selected from candidates for diagnostic or therapeutic ERCP by using the simple sampling method. Patients divided into three groups. Group A received 500 mg naproxen, group B took 5 mg isosorbide dinitrate, and group C was co-administrated both agents before ERCP. The primary outcome measure was the development of pancreatitis onset of pain in the upper abdomen and increase of serum amylase activity more than 3 times over the upper normal limit (60-100 IU/L) within first the 24 h post-ERCP. Results: Totally, 80 patients developed PEP included 29 (4.9%), 24 (4.1%), and 27 (4.6%) patients in groups A, B, and C, respectively (p=0.845). Longer ERCP time (p=0.041), using diazepam (p=0.033), a higher number of pancreatic ducts cannulation (p<0.001), pancreatic duct injection (p=0.013), and using pancreatic stent (p=0.004) were the predisposing factors for PEP. Conclusions: Our findings indicated that prophylactic naproxen suppository or isosorbide dinitrate sublingually or co-administration had no significant difference in the prevention and severity of PEP, however, enhancing the endoscopist’s skills can be effective. Departments and educational hospitals should develop their assessment and quality assurance measures for the training of fellows’ not only technical training but also an understanding of the diagnostic and therapeutic roles of the procedure.
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Pathophysiological role of Atg5 in human ulcerative colitis
( Razieh Ardali ),( Nasrin Kazemipour ),( Saeed Nazifi ),( Kamran Bagheri Lankarani ),( Iman Razeghian Jahromi ),( Masood Sepehrimanesh ) 대한장연구학회 2020 Intestinal Research Vol.18 No.4
Background/Aims: Ulcerative colitis (UC), along with Crohn’s disease, is one of the main types of inflammatory bowel disease (IBD). On the other hand, deregulated autophagy is involved in many chronic diseases, including IBD. In this study, we aimed to investigate the role of Atg5 and microRNA-181a (miR-181a) in the pathophysiology of UC. Methods: Colon biopsy, stool, and blood samples of 6 men and 9 women were confirmed for UC. Also, 13 men and 17 women were selected as healthy control (HC). Enzyme-linked immunosorbent assay (ELISA) and immunohistochemistry were used to measure the Atg-5 content of the colon biopsies. Besides, the serum and stool levels of Atg5 were measured using ELISA. Moreover, the total RNA of blood cells was extracted and evaluated for the expression of miR-181a. Results: We found 1.2 ng/mL versus 0.46 ng/mL, 0.34 ng/mL versus 0.24 ng/mL, and 0.082 ng/mL versus 0.062 ng/mL of Atg5 in stool, intestinal tissue, and serum of UC and HCs, respec tively. There was no significant difference in the expression of miR-181a in the blood samples of UC and HCs. Immunohisto chemistry showed high positivity without any significant difference between the 2 groups in the quantitative analysis. Conclu sions: The significant difference observed between the stool Atg5 content of the HCs and UC patients may provide new insight into using this protein as a diagnostic biomarker, however, considering the small size of our studied population further studies are needed. (Intest Res 2020;18:421-429)
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