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Antinociceptive, antidiarrhoeal and cytotoxic activity of Aegiceras corniculatum
Ahmed, F,Mamun, AH AI,Shahid, IZ,Rahman, AA,Sadhu, SK Kyung Hee Oriental Medicine Research Center 2007 Oriental pharmacy and experimental medicine Vol.7 No.2
The ethanol extract of leaves of the mangrove Aegiceras corniculatum Blanco (Myrsinaceae) was screened for its antinociceptive, antidiarrhoeal and cytotoxic activities. The extract produced significant writhing inhibition in acetic acid-induced writhing in mice at the oral dose of 250 and 500 mg/kg body weight (P < 0.001), which was comparable to the standard drug diclofenac sodium at the dose of 25 mg/kg of body weight. When tested for its antidiarrhoeal effects on castor oil induced diarrhoea in mice, it increased mean latent period and decreased the frequency of defecation significantly at the oral dose of 500 mg/kg body weight (P<0.05; P<0.01) comparable to the standard drug loperamide at the dose of 50 mg/kg of body weight. Moreover, when tested for toxicity using brine shrimp, the extract showed potent activity against the brine shrimp Artemia salina ($LC_{50}$ 10 mg/ml). The overall results tend to suggest the antinociceptive, antidiarrhoeal and cytotoxic activities of the extract.
Rahman, A.F.M. Motiur,Liang, Jing Lu,Lee, Seung-Ho,Son, Jong-Keun,Jung, Mi-Ja,Kwon, Young-Joo,Jahng, Yurng-Dong 대한약학회 2008 Archives of Pharmacal Research Vol.31 No.9
The 2,2-dimethyl-2H-pyran-derived alkaloids acronycine and its demethylated congeners were prepared in three steps from anthranilic acid and phloroglucinol. The phenylboronic acid-mediated inter-amolecular cyclization reaction of 1,3-dihydroxyacridone and 3-methylbut-2-enal was employed as a key step, which was also applied to the synthesis of related cytotoxic benzo[b]acronycine. Inhibitory activities of the compounds prepared on topoisomerase I and II as well as their cytotoxicities were evaluated. Cytotoxicity of 2 is closely related to the strong inhibitory activity against topo II at $20{\mu}M$ level.
Mizanur, Rahman Md.,Yun, Hyeonho,Moniruzzaman, M.,Ferreira, F.,Kim, Kang-Woong,Bai, Sungchul C. Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.5
Three feeding trials were conducted to evaluate the effects of feeding rate and water temperature on growth and body composition of juvenile Korean rockfish, Sebastes schlegeli rearing at 3 different water temperatures. A total of 270 fish (each experiment) individual body weight (BW) averaging $16{\pm}0.3g$ ($mean{\pm}SD$) were fed a commercial diet for 4 wk at $16^{\circ}C$, $20^{\circ}C$, and $24^{\circ}C$. At each temperature, triplicate tanks were assigned to one of 6 feeding rates: 1.5%, 2.5%, 2.8%, 3.1%, 3.4%, and satiation (3.7% BW/d) at $16^{\circ}C$, 1.9%, 2.9%, 3.2%, 3.5%, 3.8% and satiation (4.1% BW/d) at $20^{\circ}C$ and 1.7%, 2.7%, 3.0%, 3.3%, 3.6%, and satiation (3.9% BW/d) at $24^{\circ}C$ water temperature. Weight gains of fish in satiation and 3.4% groups at $16^{\circ}C$, in satiation and 3.8% groups at $20^{\circ}C$ and in satiation and 3.6% groups at $24^{\circ}C$ were significantly higher than those of fish in the other treatments (p<0.05). A broken line regression analysis of weight gain indicated that optimum feeding rates of juvenile Korean rockfish were 3.41% at $16^{\circ}C$, 3.75% at $20^{\circ}C$ and 3.34% at $24^{\circ}C$ water temperature. Results of the present study indicate that the optimum feeding rate could be >3.1% but <3.41% at $16^{\circ}C$, >3.5% but <3.75% at $20^{\circ}C$ and >3.0% but <3.34% at $24^{\circ}C$. As we expected results suggest that fish performed better at $20^{\circ}C$ than $16^{\circ}C$ or $24^{\circ}C$ water temperature and the optimum feeding rate could be 3.1% BW/d to 3.7% BW/d in 16 g of juvenile Korean rockfish.
STRAINS OF FOOT-AND-MOUTH DISEASE VIRUS IN DIFFERENT DISTRICTS OF BANGLADESH
Chowdhury, S.M.Z.H.,Rahman, M.F.,Rahman, M.B.,Rahman, M.M. Asian Australasian Association of Animal Productio 1996 Animal Bioscience Vol.9 No.3
An investigation was carried out to find out the strains of foot-and-mouth disease (FMD) virus in 24 districts of Bangladesh. A total of 505 FMD virus samples were collected from June, 1989 to June, 1991 and tested by complement fixation test (CFT). Of these, 276 (54.7%) were found positive for different strains of FMD virus and the rest 45.3% were either negative or anticomplementary. Strains identified were O, C, Asia-1 and sub-strains $A_5$ and $A_{22}$. Strain O was found to be most prevalent(39.8%) followed by Asia-1 (5.7%), C (5.3%), $A_5$ (3.4%) and $A_{22}$ (0.4%). Prevalence of sub-strain $A_5$ was reported for the first time in Bangladesh. District-wise typing of FMD virus has been done which would be helpful for appropriate vaccination programme in different districts of Bangladesh for control of the malady.
Conception Rate of Pabna Cows and Heifers Bred Under Artificial Insemination and Natural Service
Howlader, M.M.R.,Mian, M.F.,Kamal, A.H.M.,Prodhan, M.A.M.,Rahman, M.F. Asian Australasian Association of Animal Productio 1997 Animal Bioscience Vol.10 No.3
A study on the conception rate of 885 cows and heifers bred under artificial insemination (AI) and natural service was carried out at AI sub-centers. A high conception rate was observed at first service in all breeding methods. It was revealed that the conception rates in AI with liquid semen (LS) were found to be 25.08, 18.58, 12.69, and 2.48% after 1, 2, 3 and 4 services, respectively. Inseminations of cattle with frozen semen (FS) were found to achieve 42.15, 14.46, 5.85, and 2.46% conception rates after 1, 2, 3, and 4 services, respectively. In natural service, conception rates were found to be 62.45, 6.75, 5.91, and 4.64%, respectively, after 1, 2, 3, and 4 services. Insemination of cows and heifers at mid-cycle had significantly (p < 0.05) higher conception rate as compared to early and late cycles. The existing AI machineries and breeding management need to be improved to achieve higher conception rate of dairy cattle under AI.