scholarly journals Acute and Sub-acute Toxicity of Commiphora swynnertonii extracts: an Experimental Study on Albino Mice and Rats

2017 ◽  
Vol 04 (Sp1, & 02) ◽  
Author(s):  
Disela Edwin ◽  
Paul Erasto ◽  
Sylvester Temba ◽  
Musa Chacha
Molecules ◽  
2021 ◽  
Vol 26 (3) ◽  
pp. 654
Author(s):  
Vellingiri Manon Mani ◽  
Arockiam Jeyasundar Parimala Gnana Soundari ◽  
Balamuralikrishnan Balasubramanian ◽  
Sungkwon Park ◽  
Utthapon Issara ◽  
...  

Cervical cancer, as the most frequent cancer in women globally and accounts almost 14% in India. It can be prevented or treated with vaccines, radiation, chemotherapy, and brachytherapy. The chemotherapeutic agents cause adverse post effects by the destruction of the neighboring normal cells or altering the properties of the cells. In order to reduce the severity of the side effects caused by the chemically synthesized therapeutic agents, the current research developed an anti-cancer agent dimer of epicatechin (DoE), a natural bioactive secondary metabolite (BSM) mediated from an endophytic fungus Curvularia australiensis FC2AP. The investigation has initiated with the evaluation of inhibiting the angiogenesis which is a main activity in metastasis, and it was assessed through Hen’s Egg Test on Chorio Allantoic Membrane (HET-CAM) test; the BSM inhibited the growth of blood vessels in the developing chick embryo. Further the DoE was evaluated for its acute toxicity levels in albino mice, whereas the survival dose was found to be 1250 mg/kg and the lethal dose was 1500 mg/kg body weight of albino mice; hematological, biochemical, and histopathological analyses were assessed. The anti-inflammatory responses of the DoE were evaluated in carrageenan induced Wistar rats and the reduction of inflammation occurred in a dose-dependent manner. By fixing the effective dose for anti-inflammation analysis, the DoE was taken for the anti-cervical cancer analysis in benzo (a) pyrene induced female Sprague-Dawley rats for 60 days trial. After the stipulated days, the rats were taken for hematological antioxidants, lipid peroxidation (LPO), member bound enzymes, cervical histopathological and carcinogenic markers analyses. The results specified that the DoE has the capability of reducing the tumor in an efficient way. This is the first report of flavonoid-DoE production from an endophytic fungus C. australiensis has the anticancer potentiality and it can be stated as anti-cancer drug.


2022 ◽  
Author(s):  
Joseph Tchamgoue ◽  
Amelework N. Eyado ◽  
Boniface P. Kamdem Kamdem ◽  
Yvan Anderson T. Ngandjui Ngandjui ◽  
Jean Claude Tchouankeu ◽  
...  

Malaria is regarded as one of the most lethal diseases. Resistance to artemisinin and its derivatives jeopardises effective malaria treatment. Finding novel antimalarial chemicals is critical given the existing treatment situation. This work aimed to examine the antiplasmodial capabilities of <i>Pseudarthria hookeri</i> fractions and flavonoids in vivo. The fractions and compounds antiplasmodial activity were evaluated on male Swiss albino mice infected with <i>Plasmodium berghei</i>, and on healthy female Swiss albino mice, the crude extract's acute toxicity was assessed. The EtOAc fraction had significant antiplasmodial activity (32.53 percent suppression at 500 mg/kg BW) and considerably prolonged the survival period of infected mice (9.8 days) compared to control mice (7.8 days). Parasitaemia was dramatically reduced (85.01, 59.41, and 70.39 percent), and the mean survival time extended (11.33, 10.00, and 9.33 days) with 15, 20 and 35 mg/kg of quercetin (<b>1</b>), 7-O-benzyl-6-prenylpinocembrin (<b>6</b>) and 6,8-diprenyleriodictyol (<b>11</b>) (isolates of the EtOAc fraction), respectively. BW loss and PCV reduction were also averted. Moreover, at 2500 mg/kg, the crude extract of <i>P. hookeri</i> showed no acute toxicity in mice. LC-MS analysis of the EtOAc fraction enabled the identification of nine flavonoids, with <b>8</b> and <b>11</b> being the main components. The present investigation confirmed <i>P. hookeri</i>'s antiplasmodial action, substantiating its ethnomedicinal application for malaria treatment.


2015 ◽  
Vol 8 (1) ◽  
pp. 77-80
Author(s):  
Tanuja Singh ◽  
Ruchi x ◽  
Anjali Singh ◽  
Ravish Kumar ◽  
Jitendra Kumar Singh

Heliyon ◽  
2020 ◽  
Vol 6 (1) ◽  
pp. e03108
Author(s):  
Jairaman Chitra ◽  
Syed Ali Mohamed Yacoob ◽  
Sivanesan Senthil Kumar ◽  
Anuradha Venkataraman ◽  
Rajagopalan Vijayaraghavan ◽  
...  

2019 ◽  
Vol 9 (2) ◽  
pp. 71-75
Author(s):  
Lohith Mysuru Shivanna ◽  
Halugudde Nagaraja Sarjan ◽  
Asna Urooj

2017 ◽  
Vol 36 (12) ◽  
pp. 1270-1285 ◽  
Author(s):  
P Kumar ◽  
D Swami ◽  
DP Nagar ◽  
KP Singh ◽  
J Acharya ◽  
...  

The study reports antidotal efficacy of three HNK [ bis quaternary 2-(hydroxyimino)-N-(pyridin-3yl) acetamide derivatives] and pralidoxime (2-PAM), against soman and tabun poisoning in Swiss albino mice. Protection index (PI) was determined (treatment doses: HNK oximes, ×0.20 of their median lethal dose (LD50) and 2-PAM, 30 mg/kg, intramuscularly (im)) together with atropine (10 mg/kg, intraperitoneally). Probit log doses with difference of 0.301 log of LD50 of the nerve agents administered and inhibition of acetylcholinesterase (AChE) activity by 50% (IC50) was calculated at optimized time in brain and serum. Using various doses of tabun and soman (subcutaneously (sc)), in multiples of their IC50, AChE reactivation ability of the oximes was studied. Besides, acute toxicity (0.8× LD50, im, 24 h postexposure) of HNK-102 and 2-PAM was also compared by determining biochemical, hematological variables and making histopathological observations. Protection offered by HNK-102 against tabun poisoning was found to be four times higher compared to 2-PAM. However, nearly equal protection was noted with all the four oximes against soman poisoning. HNK-102 reactivated brain AChE activity by 1.5 times more than 2-PAM at IC50 dose of soman and tabun. Acute toxicity studies of HNK-102 and 2-PAM showed sporadic changes in urea, uric acid, aspartate aminotransferase, and so on compared to control group, however, not supported by histopathological investigations. The present investigation showed superiority of newly synthesized HNK-102 oxime over standard 2-PAM, as a better antidote, against acute poisoning of tabun (4.00 times) and soman (1.04 times), in Swiss albino mice.


2021 ◽  
Vol 28 (12) ◽  
pp. 1837-1843
Author(s):  
Anjum Ishaque ◽  
Saima Nadeem ◽  
Shagufta Nisar ◽  
Hasnain Ali Shah ◽  
Khalid Javed ◽  
...  

Objective: The objective of this study is to find out protective effect of olive oil to prevent bone loss by decreasing osteoclast count in patient receiving Anastrazole. Study Design: Experimental study. Setting: Pakistan Council for Scientific and Industrial Research (PCSIR) Animal House, Peshawar and Pathology Lab KGMC Peshawar. Period: March 2019 to December 2019. Material & Methods: Sixty female albino mice 6-8 weeks of age were selected for this experimental study and Aromatase inhibitor drug Anastrazole was given alone and in combination with olive oil once daily for 30 successive days. Femur bone samples were collected and stained with Eosin and Hematoxylin for histomorphological evaluation of osteoclast cell count in three all three groups i.e. control group, those receiving Anastrazole alone and those given Anastrazole and olive oil in combination. Results: The mean weight of all experimental female albino mice before study was 30.77- 33.05 grams and after the study was 30.84- 21.31 grams. Control group 1 which was given normal diet showed increased weight of mice with less osteoclast cell count as compared to experimental groups (2 and 3).  In group 2 (Drugged) which was given Anastrazole, weight of were lesser than control group 1 and group 3(Anastrazole + olive oil), while, osteoclast score was greater than group 1(control) and group 3 (Anastrazole + olive oil). Group3 (Drugged+ Olive oil) showed greater weight of mice than group 2 (Anastrazole) but, lesser than control group 1. Osteoclast score was greater than control group but lesser than group 2 (Anastrazole). Conclusion: The results showed positive and protective effects of olive oil against Anastrazole induced bone loss in female albino mice.


2013 ◽  
Vol 6 (12) ◽  
pp. 955-959 ◽  
Author(s):  
Preeti Bagri ◽  
Vinod Kumar ◽  
Anil Kumar Sikka ◽  
Joginder Singh Punia

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