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위 점액성 선암 수술 후 이시성으로 발생한 대장 점액성 선암
임태수,강동백,이정균,박원철 원광대학교 의과학연구소 2009 圓光醫科學 Vol.24 No.1
점액성 위암과 점액성 대장암은 각각 드물게 발생하는데 점액성 위암의 근치적 수술 후 10년이 지난 후에 복막 전이를 동반한 점액성 대장암이 발생한 증례가 있어 보고하는 바이다. Mucinous gastric and colon carcinoma is rare histopathologic type of each carcinoma. We report a case of metachronous mucinous carcinoma of colon in 74-year-old female, 10 years after curative gastric surgery. She came to hospital with pain on right upper quadrant. Abdominopelvic computed tomography showed mucinous carcinomatosis peritoni with descending colon cancer. We detected the descending colon cancer by colonoscopy and confirmed mucinous carcinoma by biopsy.
Dona R. Jayawickrama,Piyatilak B. Weerasinghe,Dinesh D. Jayasena,Deshani C. Mudannayake 충남대학교 농업과학연구소 2013 농업과학연구 Vol.40 No.2
An experiment was conducted to evaluate the effects of nitrogen supplementation through urea-molasses multinutrient block (UMMB) on the performance of dairy cows fed good quality forage based diets with rice straw as a night feeding. A total of 10 multiparous crossbred dairy cows in their early lactation were grouped into two categories based on their breed, parity, body weight, milk yield, milk fat and protein contents and daily fed a chopped CO-3 grass (Pennisetum purpureum × Pennisetum americanum; hybrid Napier) ad-libitum, 1 kg of dairy cow concentrate feed during the day time and 5 kg of rice straw (dry matter basis) at night as the basal diet (control) for 5 wk. In addition to the basal diet, the treatment group received 300 g of crushed UMMB daily throughout the experimental period. Cows were milked twice daily and the milk yields were recorded. Milk and feed samples were collected weekly for chemical analysis. Supplementation of UMMB had no significant effects (p>0.05) on straw intake, daily milk yield, contents and yields of milk constituents such as milk fat, protein, lactose and solids-non-fat. In addition, milk urea nitrogen content were not affected (p>0.05) by UMMB supplementation. However, numerical increments in all the parameters measured were observed during the study in cows fed diets supplemented with UMMB. It can be concluded that nitrogen supplied through UMMB had no effects on production performances of dairy cows in this study.
Jayawickrama, Dona R.,Weerasinghe, Piyatilak B.,Jayasena, Dinesh D.,Mudannayake, Deshani C. Institute of Agricultural Science 2013 Korean Journal of Agricultural Science Vol.40 No.2
An experiment was conducted to evaluate the effects of nitrogen supplementation through urea-molasses multinutrient block (UMMB) on the performance of dairy cows fed good quality forage based diets with rice straw as a night feeding. A total of 10 multiparous crossbred dairy cows in their early lactation were grouped into two categories based on their breed, parity, body weight, milk yield, milk fat and protein contents and daily fed a chopped CO-3 grass (Pennisetum purpureum ${\times}$ Pennisetum americanum; hybrid Napier) ad-libitum, 1 kg of dairy cow concentrate feed during the day time and 5 kg of rice straw (dry matter basis) at night as the basal diet (control) for 5 wk. In addition to the basal diet, the treatment group received 300 g of crushed UMMB daily throughout the experimental period. Cows were milked twice daily and the milk yields were recorded. Milk and feed samples were collected weekly for chemical analysis. Supplementation of UMMB had no significant effects (p>0.05) on straw intake, daily milk yield, contents and yields of milk constituents such as milk fat, protein, lactose and solids-non-fat. In addition, milk urea nitrogen content were not affected (p>0.05) by UMMB supplementation. However, numerical increments in all the parameters measured were observed during the study in cows fed diets supplemented with UMMB. It can be concluded that nitrogen supplied through UMMB had no effects on production performances of dairy cows in this study.
Total Phenolic and Starch Content of Arrowroot Tuber in The Agroforestry System
Octavia Dona,Wijayanto Nurheni,Budi Sri Wilarso,Batubara Irmanida,Suharti Sri 한국산림과학회 2024 Forest Science And Technology Vol.20 No.1
Indonesia’s tropical forest management faces several challenges owing to the growing demand for forest resources and increasing population. The forestry sector plays a significant role in supporting food security programs by harnessing the potential of forest resources. One solution to sustainable forest management and optimal forest land use is agroforestry techniques. Arrowroot (Maranta arundinacea) is tolerant to heavy shade and is a promising functional food crop that can contribute to food security programs. Starch content in arrowroot tuber plays an important role in meeting nutritional requirements and overcoming several health problems. Arrowroot tubers also contain phenolic compounds, the largest group of compounds that act as natural antioxidants in plants. This study aimed to analyze the total phenolic and starch contents of arrowroot tubers cultivated in agroforestry systems. We used a Randomized Complete Block Design with a planting pattern as treatment for the species combinations of Falcataria moluccana þ arrowroot (FA), F. moluccana þ arrowroot þ Amomum cardamomum (FAC), and monoculture arrowroot (MA) with three blocks/replications. The arrowroot tubers were harvested from nine-month-old plants and composite samples representing each treatment were analyzed for total phenolic and starch contents. The total phenolic content in the arrowroot tubers was determined using the Folin-Ciocalteu reagent. Starch content was measured using the Modified Somogyi method, which involves preparing reagents, followed by hydrolysis and the reducing sugar determination methods. The results revealed that the planting pattern significantly affected starch content. The highest starch content was observed in the MA pattern of 23.99%, followed by the FAC and FA planting patterns of 22.75% and 18.44%, respectively. The planting pattern did not significantly affect phenolic content. The MA, FAC, and FA patterns yielded the highest to lowest phenolic contents of 218.02, 212.62, and 210.04 mg/g, respectively. Furthermore, the planting pattern significantly affected the total phenolic of tuber yield per plant, with the highest value of 214.48 mg yielded by MA pattern. Thus, agroforestry practices can maintain the phenolic and starch content of arrowroot tubers. The development of arrowroot in agroforestry system will be prospective not only for meeting food demand, but also for supporting forestry multi-business and social forestry programs to achieve sustainable forest management.
Identification of STAT5a Inhibitors for Breast Cancer Treatment Through In silico Approach
Bavya Chandrasekhar,Dona Samuel Karen,Veena Jaganivasan 조선대학교 기초과학연구원 2024 조선자연과학논문집 Vol.17 No.1
Female breast cancer is the fifth highest cause of mortality. Breast cancer is the most prevalent type of cancer in women globally, while it can also affect men. STAT5A plays a role in its development and progression. Given that activation of STAT5a is frequently linked to the growth and progression of tumors, STAT5a has been identified as a possible target for the therapy of several cancers. STAT5A, in particular, has proven to be overexpressed in various breast cancer cell lines and tumors, and it has been associated to the promotion of tumour cell proliferation and survival. STAT5A inhibition has been shown in vitro and in vivo to reduce the development of breast cancer cells. As a result, we have screened compounds from the FDA database that might serve as potential inhibitors of STAT5a through virtual screening, docking, DFT and MD simulation approaches. The drug Nilotinib has shown promising results inhibiting STAT5a. Further, in-vitro analysis will be carried forward to understand the anti-cancer activity.
REGULATION OF RAT ADRENAL MEDULLARY PHENYLETHANOL AMINE N-METHYLTRANSFERASE
Yoo, Young-Sook,Wong, Dona L. The Korean Society of Toxicology Korea Environment 1990 Toxicological Research Vol.6 No.1
Neural regulation of phenylethanolamine N-meth-yltransferase (PNMT) was studied with reserpine as a neuronal agent in rat adrenal medulla. The enzyme activity assay and northern blot analysis were performed to determine whether the induction of PNMT activity after reserpine treatment was associated with elevation of mRNA coding for PNMT. The i.p. administration of reserpine (2.5 mg/kg) on alternate days fot 4 injections to rats brought about 30% increase of adrenal medullary PNMT activity and approximately 60% stimulation of the PNMT mRNA level in rat adrenal gland. A dose of 10 mg/kg of reserpine was chosen to perform optimum induction of PNMT activity in the rat adrenal gland based on the results of dose response curve of reserpine. Time course reserpine (10 mg/kg) effects on the rat adrenal medullary PNMT were as follows: 1. Peripheral PNMT activity reached maximum level after 7 days of drug treatment on alternate days. 2. Trans-synaptic stimulation by reserpine increased pretranslational activity of rat adrenal PNMT, but not translational activity. 3. Immunotitration of PNMT molecule after reserpine treatment indicated that reserpine produced an enzyme with greater antibody affinity than endogenous molecule in the rat adrenal gland.