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Renal Failure in a Female Muskrat
H M Arif Ullah(울라아리프),A. K. Elfadl(아메드 엘파들),SunYoung Park(박선영),Myung-Jin Chung(정명진),Ji-Yoon Son(손지윤),Hyun-Ho Yun(윤현호),Jae-Min Park(박재민),Jae-Hyuk Yim(임재혁),Seung-Jun Jung(정승준),Jin-Kyu Park(박진규),Kyu-Shik 한국생명과학회 2020 생명과학회지 Vol.30 No.7
야생 포유류의 신부전 증후군은 거의 보고가 없다. Muskrat (Ondatra zibethicus)는 중간 크기의 설치류이며 많은 질병을 가지고 있으나, 신부전 증후군은 보고된 바가 없으며, 본 케이스는 병리학적 진단을 위해 6개월령 암컷사향쥐의 다른 임상증후군 없는 상태로 부검을 실시하였다. 요관, 신장결석과 수진증을 관찰하였고, 결석에 의한 심각한 신장 손상과, 뇌 손상을 포함한 전신 출혈과 석회화가 관찰되었고, 이는 신장 손상으로 인한 요로결석과 장기 손상에 기인한 것이다. 괴사 및 미세석회화는 신장 피질 및 수질에서, 특히 근위 곡 세뇨관 및 신장의 수집관에서 검출되었다. 사구체의 초자양변성이 크게 관찰되었으며 이는 만성 신염을 나타내며. 이러한 소견은 특히 신장에 대한 진균성 독성 효과를 나타내는 것으로 사료된다. 또한, 폐에서 호중구 및 단핵 세포의 침윤이 관찰되었고, 비장에서도 만성 염증세포인 형질세포의 침윤이 관찰되었다. 본 소견에서는 사향쥐 신부전에 따른 사인은 오염된 사료섭취로 의심되는 것으로 판단된다. Renal failure syndrome in wild mammals is infrequently reported. Muskrat (Ondatra zibethicus) is a medium-sized rodent known to carry many diseases but rarely exhibiting renal failure. A six-month old female muskrat was submitted to our laboratory for pathological diagnosis, and necropsy revealed severe renal damage with sand-like lithiasis in the ureter, renal calculi, and hydronephrosis. All major organs, including the cerebrum, also showed systemic hemorrhage and calcification which may have been due to uremia induced by renal failure. Histopathologically, necrosis and microcalcification were detected in the renal cortex and the medulla, especially in the proximal convoluted tubules and collecting ducts of the kidney. Significant hyalinization of the glomeruli was also observed, and this suggested chronic nephritis. These findings would support mycotoxic effects, particularly on the kidney. Moreover, infiltration of neutrophils and mononuclear cells was observed in the lung and of plasma cells in the spleen. The definitive cause of the toxic effects in this case of muskrat renal failure could be attributed to contaminated food.
Arif, Abu S.M.,Hashim, M.A.,Runa, R.A.,Chowdhury, E.H.,Rahman, Md Siddiqur,Song, Hee-Jong The Korean Society of Veterinary Service 2010 韓國家畜衛生學會誌 Vol.33 No.3
This study was conducted in the saltwater crocodile (Crocodylus porosus) for the occurrence of various surgical affections with their clinical management. During the period of January 2006 to June 2008, a total of 68 adult crocodiles were considered as reference population from the Reptiles Farm Ltd. at Bhaluka, Mymensingh. The occurrence of surgical affections of adult female (88.9%) was significantly (P<0.01) higher than male (11.1%). Prevalence of common surgical affections were wound: 72.2%, fibroma: 11.1% abscess: 5.6%, fracture: 5.6%, tail necrosis: 2.8%, myiasis: 2.8%. Wound was the highest among the affections. Among the identified wounds, biting wound was higher. In summer (57.7%) the occurrence of wound was higher compared to other seasons. In winter season (7.7%) the occurrence of abscess, myiasis, fibroma were higher compared to other seasons. Wounds and fibroma are the major surgical affections in salt water crocodile. The most common site of surgical affection was recorded in crocodile's tail (30.6%). It was suggested that minimal stress, allowing constant and easy access to water, removal of roots of the tree in the basking land of crocodiles pen, basking land of the pen is better filling up by sand, clinical surgical managements are essential for better health and production.
Ullah, H.M. Arif,Saba, Evelyn,Lee, Yuan Yee,Hong, Seung-Bok,Hyun, Sun-Hee,Kwak, Yi-Seong,Park, Chae-Kyu,Kim, Sung Dae,Rhee, Man Hee The Korean Society of Ginseng 2022 Journal of Ginseng Research Vol.46 No.5
Background: Ulcerative colitis (UC) is the large intestine disease that results in chronic inflammation and ulcers in the colon. Rg3-enriched Korean Red Ginseng extract (Rg3-RGE) is known for its pharmacological activities. Persicaria tinctoria (PT) is also used in the treatment of various inflammatory diseases. The aim of this study is to investigate the attenuating effects of Rg3-RGE with PT on oxazolone (OXA)-induced UC in mice. Methods: A total of six groups of mice including control group, OXA (as model group, 1.5%) group, sulfasalazine (75 mg/kg) group, Rg3-RGE (20 mg/kg) group, PT (300 mg/kg) group, and Rg3-RGE (10 mg/kg) with PT (150 mg/kg) group. Data on the colon length, body weight, disease activity index (DAI), histological changes, nitric oxide (NO) assay, Real-time PCR of inflammatory factors, ELISA of inflammatory factors, Western blot, and flow cytometry analysis were obtained. Results: Overall, the combination treatment of Rg3-RGE and PT significantly improved the colon length and body weight and decreased the DAI in mice compared with the treatment with OXA. Additionally, the histological injury was also reduced by the combination treatment. Moreover, the NO production level and inflammatory mediators and cytokines were significantly downregulated in the Rg3-RGE with the PT group compared with the model group. Also, NLR family pyrin domain containing 3 (NLRP3) inflammasome and nuclear factor kappa B (NF-𝛋B) were suppressed in the combination treatment group compared with the OXA group. Furthermore, the number of immune cell subtypes of CD4<sup>+</sup> T-helper cells, CD19<sup>+</sup> B-cells, and CD4<sup>+</sup> and CD25<sup>+</sup> regulatory T-cells (Tregs) was improved in the Rg3-RGE with the PT group compared with the OXA group. Conclusion: Overall, the mixture of Rg3-RGE and PT is an effective therapeutic treatment for UC.
Reproductive Performance of Arabian and Thoroughbred Mares under Subtropical Conditions of Pakistan
Warriach, H.M.,Memon, M.A.,Ahmad, N.,Norman, S.T.,Ghafar, A.,Arif, M. Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.7
Breeding records of 57 Arabian and 66 Thoroughbred mares were analysed to assess their reproductive performance under the subtropical conditions of Pakistan. The Arabian mares showed significantly higher conception rates (p<0.05) in second mated oestrus and foal heat mated oestrus compared to Thoroughbred mares. However, conception rates for first lifetime mated oestrus were similar in both breeds of mares. Age at first mating ($1,301{\pm}40$ vs $1,500{\pm}32$ days) was significantly (p<0.05) less in Arabian compared to Thoroughbred mares. Both breeds of mares showed significantly (p<0.05) higher frequencies of oestrous cycles and conception rates during the winter (October to March) compared to summer (June to August) months. Age of mares affected the conception rates, as mares at ages 3 to 7 and 8 to 12 years of ages had significantly higher conception rates (p<0.05) than those ${\geq}18$ years old in both breeds. This study demonstrates that i) reproductive performance in Arabians is better than Thoroughbred mares under the subtropical conditions of Pakistan, ii) mares remain cyclic throughout the year and iii) conception rates were higher in mares bred during winter compared to summer months.
( Abu S. M. Arif ),( M. A. Hashim ),( R. A. Runa ),( E. H. Chowdhury ),( Md Siddiqur Rahman ),( Hee Jong Song ) 한국가축위생학회 2010 韓國家畜衛生學會誌 Vol.33 No.3
This study was conducted in the saltwater crocodile (Crocodylus porosus) for the occurrence of various surgical affections with their clinical management. During the period of January 2006 to June 2008, a total of 68 adult crocodiles were considered as reference population from the Reptiles Farm Ltd. at Bhaluka, Mymensingh. The occurrence of surgical affections of adult female (88.9%) was significantly (P?0.01) higher than male (11.1%). Prevalence of common surgical affections were wound: 72.2%, fibroma: 11.1% abscess: 5.6%, fracture: 5.6%, tail necrosis: 2.8%, myiasis: 2.8%. Wound was the highest among the affections. Among the identified wounds, biting wound was higher. In summer (57.7%) the occurrence of wound was higher compared to other seasons. In winter season (7.7%) the occurrence of abscess, myiasis, fibroma were higher compared to other seasons. Wounds and fibroma are the major surgical affections in salt water crocodile. The most common site of surgical affection was recorded in crocodile`s tail (30.6%). It was suggested that minimal stress, allowing constant and easy access to water, removal of roots of the tree in the basking land of crocodiles pen, basking land of the pen is better filling up by sand, clinical surgical managements are essential for better health and production.
Analysis of Aging Effect on Human Walking Gait Using Detrended Fluctuation Analysis Technique
M. Arif,Y. Ohtaki,T. Ishihara,H. Inooka 한국과학기술원 인간친화 복지 로봇 시스템 연구센터 2002 International Journal of Assistive Robotics and Me Vol.3 No.4
Movement of center of gravity of the human body plays a crucial part in the stability of the human walking. In this paper, we have investigated the effect of aging on the acceleration of center of gravity using a portable 3D acceleration measurement system. Acceleration of the center of gravity data of young and elderly subjects is analyzed during normal walking using detrended fluctuation analysis technique. It was observed that the scaling exponents of elderly subjects in short term region are less than young subjects. It shows that walking of elderly subjects is less correlated in the short-term region putting them on more risk of falls.
Sultana, Sajeda,Chowdhury, Emdadul H.,Parvin, R.,Saha, Shib S.,Rahman, Sheik M.,Haider, M.G.,Arif, Abu S.M.,Rahman, Md. Siddiqur,Song, Hee-Jong The Korean Society of Veterinary Service 2012 韓國家畜衛生學會誌 Vol.35 No.1
Crocodile farms are getting popular in Bangladesh in an economic point of view. In one of the farms, some crocodiles were found sick and three of them died between May and July in 2006. This investigation was performed to diagnose the cause of the death. Routine postmortem examination was conducted. Samples were collected in 10% neutral buffered formalin for histopathology and in falcon tube for microbiological study. Additional swabs were collected in nutrient broth. Histopathological and microbiological studies were conducted using routine procedures. In addition Giemsa, Gram and PAS stains were performed to detect the organism in tissues. Grossly, esophagus, trachea, lungs, liver, spleen, heart and kidney were congested. Intestine, rectum and colon were hemorrhagic. Clay colored material was found in colo-rectum. Purulent exudates in lungs and thick and cloudy pericardial fluid in pericardial sac were found. Histologically, multifocal granulomatous inflammation was evident in lung, liver, kidney, intestine and colon with bacterial colonies, fungal spores and hyphae. These bacteria were appeared as Gram negative. Fungal hyphae and spores were detected in liver, lungs and colon by using PAS stain. Bacteriologically, E. coli were isolated from lungs exudates, pericardial fluids and intestinal fluids. Therefore, it can be concluded that 3 crocodiles died due to E. coli septicemia concurrent with mycotic infection.