• Title/Summary/Keyword: Cancer information

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Distribution of Larval Dungeness crabs in Glacier Bay, Southeastern Alaska

  • Park, Wong-Yu;Shirley, Thomas C.
    • Fisheries and Aquatic Sciences
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    • v.10 no.2
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    • pp.86-92
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    • 2007
  • Adult Dungeness crabs are restricted primarily in the lower part of Glacier Bay, Alaska, but the interaction of larval dispersion and adult distribution is unknown. To understand the larval occurrence in the upper part of Glacier Bay, Dungeness crab larvae, sea surface temperature (SST), and sea surface salinity (SSS) were collected at 16 near-shore and 12 mid-channel stations in Glacier Bay, southeastern Alaska during six sampling periods from March through August 2000. Each station was visited from one to five times during the entire sampling period. Geographic Information System (GIS) was used to contour SST and SSS distribution in Glacier Bay. Seven to 27 stations were visited during each sampling period. Most larvae (85% were zoeae I) occurred during May 31 to June 14, 2000. Larval density varied from none to $51.4\;100\;m^{-3}$ between stations. A few later stage larvae occurred during later sampling periods. Overall, no relationship between larval densities, and SSS, and SST existed. Larvae occurring in the upper bay were probably transported by tidal currents from the lower bay; adult Dungeness crabs in Glacier Bay have a relatively high density near the mouth of the bay but decrease sharply around 40km north of the mouth. The lack of adult crabs in the upper 60km of the bay may be related to lower salinity, resulting in sharp haloclines, or colder temperatures which are not conducive to survival or growth of either larvae or adults.

Delayed Diagnosis of Probable Radiation Induced Spinal Cord Vascular Disorders

  • Won, Young Il;Kim, Chi Heon;Chung, Chun Kee;Yun, Tae Jin
    • Journal of Korean Neurosurgical Society
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    • v.57 no.3
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    • pp.215-218
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    • 2015
  • Occasionally, unexpected neurological deficits occur after lumbar spinal surgery. We report a case of monoparesis after lumbar decompressive surgery. A 63-year-old man, who had undergone decompression of L4-5 for spinal stenosis 4 days previously in the other hospital, visted the emergency department with progressive weakness in the left leg and hypoesthesia below sensory level T7 on the right side. He had been cured of lung cancer with chemotherapy and radiation therapy 10 years previously, but detailed information of radiotherapy was not available. Whole spine magnetic resonance (MR) imaging showed fatty marrow change from T1 to T8, most likely due to previous irradiation. The T2-weighted MR image showed a high-signal T4-5 spinal cord lesion surrounded by a low signal rim, and the T1-weighted MR image showed focal high signal intensity with focal enhancement. The radiological diagnosis was vascular disorders with suspicious bleeding. Surgical removal was refused by the patient. With rehabilitation, the patient could walk independently without assistance 2 months later. Considering radiation induced change at thoracic vertebrae, vascular disorders may be induced by irradiation. If the spinal cord was previously irradiated, radiation induced vascular disorders needs to be considered.

Factors Associated with Human Papillomavirus related Stigma, Shame, and Intent of HPV Test (인유두종 바이러스와 관련된 낙인, 수치심과 검사의도의 영향요인)

  • Kim, Hae-Won
    • Journal of Korean Academy of Nursing
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    • v.42 no.2
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    • pp.217-225
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    • 2012
  • Purpose: This study was conducted to examine the factors associated with HPV (Human Papillomavirus) related stigma, shame and intent to have HPV test among adult women. Methods: Data were collected from December 1, 2009 to January 31, 2010, and participants were 324 women who visited an obstetric gynecologic clinic. They anticipated testing positive for HPV. Then HPV related stigma, shame, intent to have HPV testing and HPV knowledge were measured. Descriptive statistics, Mann-Whitney U test, Kruskal Wallis test and multivariate adjusted logistic regression were used for data analysis. Results: The levels of stigma and shame were higher than average. Intent to have HPV test was high and HPV knowledge was low. Women who answered that HPV is not sexually transmitted had lower HPV stigma than did women who answered they didn't know (OR=0.20, 95%CI 0.06-0.68). Women with lower stigma showed lower intent to have HPV test than women with higher stigma (OR=0.46, 95%CI 0.26-0.82). Conclusion: Basic HPV information should be fully understood for women especially prior to HPV test. Normalizing HPV stigma is necessary for women who perceive HPV as sexually transmitted and women intending to have HPV test.

Relationships between genetic polymorphisms and transcriptional profiles for outcome prediction in anticancer agent treatment

  • Paik, Hyo-Jung;Lee, Eun-Jung;Lee, Do-Heon
    • BMB Reports
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    • v.43 no.12
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    • pp.836-841
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    • 2010
  • In the era of personal genomics, predicting the individual response to drug-treatment is a challenge of biomedical research. The aim of this study was to validate whether interaction information between genetic and transcriptional signatures are promising features to predict a drug response. Because drug resistance/susceptibilities result from the complex associations of genetic and transcriptional activities, we predicted the inter-relationships between genetic and transcriptional signatures. With this concept, captured genetic polymorphisms and transcriptional profiles were prepared in cancer samples. By splitting ninety-nine samples into a trial set (n = 30) and a test set (n = 69), the outperformance of relationship-focused model (0.84 of area under the curve in trial set, P = $2.90{\times}10^{-4}$) was presented in the trial set and validated in the test set, respectively. The prediction results of modeling show that considering the relationships between genetic and transcriptional features is an effective approach to determine outcome predictions of drug-treatment.

Effect of Neem (Azadirachta indica) oil on the progressive growth of a spontaneous T cell lymphoma

  • Mallick, Sanjaya Kumar;Gupta, Vivekanand;Singh, Mahendra Pal;Vishvakarma, Naveen Kumar;Singh, Nisha;Singh, Sukh Mahendra
    • Advances in Traditional Medicine
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    • v.7 no.5
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    • pp.459-465
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    • 2008
  • The present study was undertaken to investigate the effect of in vivo administration of neem oil intra-peritoneally (i.p.) to mice bearing a progressively growing transplantable T cell lymphoma of spontaneous origin, designated as Daltons lymphoma (DL), on the tumor growth. Mice were administered various doses of neem oil mixed in groundnut oil, which was used as a diluting vehicle or for administration to control DL-bearing mice. Administration of neem oil resulted in an acceleration of tumor growth along with a reduction in the survival time of the tumor-bearing host. Neem oil administered DL-bearing mice showed an augmented apoptosis in splenocytes, bone marrow cells and thymocytes along with an inhibition in the anti-tumor functions of tumor-associated macrophages. Thus this study gives an altogether a novel information that neem oil instead of the popular belief of being anti-tumor and immunoaugmentary may in some tumor-bearing conditions, behave in an opposite way leading to an accelarated tumor progression along with a collapse of the host's anti-tumor machinery. These observations will thus have long lasting clinical significance, suggesting caution in use of neem oil for treatment of cancer.

Effects of Meteorology and Air Pollution on Respiratory Disease affecting Vulnerable Populations (기상 및 대기질이 건강취약집단에 미치는 영향)

  • Kang, Dongbae;Park, Changhyoun;Jung, Woo-Sik;Lee, KwiOk;Lee, Hwa Woon
    • Journal of Environmental Science International
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    • v.29 no.7
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    • pp.715-727
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    • 2020
  • It is well known that atmospheric environments, including both meteorology and air quality, significantly affect public health, such as chronic lung disease and cancer, and respiratory infections. In this study, we have analyzed correlations between the number of daily respiratory outpatients and the atmospheric environments data for about ten years for the city of Busan, South Korea. The respiratory problem patients data have been categorized into two health-vulnerable groups by age over 65(DayPA_O65) and under 20(DayPA_U20), each of which shows relatively higher correlations with air quality and meteorology, respectively. However, time series analysis with factor separation results in that DayPA_O65 and DayPA_U20 show a higher relation with variance components and daily irregular factors of atmospheric concentrations, respectively.

Platform Technologies for Research on the G Protein Coupled Receptor: Applications to Drug Discovery Research

  • Lee, Sung-Hou
    • Biomolecules & Therapeutics
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    • v.19 no.1
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    • pp.1-8
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    • 2011
  • G-protein coupled receptors (GPCRs) constitute an important class of drug targets and are involved in every aspect of human physiology including sleep regulation, blood pressure, mood, food intake, perception of pain, control of cancer growth, and immune response. Radiometric assays have been the classic method used during the search for potential therapeutics acting at various GPCRs for most GPCR-based drug discovery research programs. An increasing number of diverse small molecules, together with novel GPCR targets identified from genomics efforts, necessitates the use of high-throughput assays with a good sensitivity and specificity. Currently, a wide array of high-throughput tools for research on GPCRs is available and can be used to study receptor-ligand interaction, receptor driven functional response, receptor-receptor interaction,and receptor internalization. Many of the assay technologies are based on luminescence or fluorescence and can be easily applied in cell based models to reduce gaps between in vitro and in vivo studies for drug discovery processes. Especially, cell based models for GPCR can be efficiently employed to deconvolute the integrated information concerning the ligand-receptor-function axis obtained from label-free detection technology. This review covers various platform technologies used for the research of GPCRs, concentrating on the principal, non-radiometric homogeneous assay technologies. As current technology is rapidly advancing, the combination of probe chemistry, optical instruments, and GPCR biology will provide us with many new technologies to apply in the future.

Differential Gene Expression Profiling in Human Promyelocytic Leukemia Cells Treated with Benzene and Ethylbenzene

  • Sarma, Sailendra Nath;Kim, Youn-Jung;Ryu, Jae-Chun
    • Molecular & Cellular Toxicology
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    • v.4 no.4
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    • pp.267-277
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    • 2008
  • Benzene and ethylbenzene (BE), the volatile organic compounds (VOCs) are common constituents of cleaning and degreasing agents, paints, pesticides, personal care products, gasoline and solvents. VOCs are evaporated at room temperature and most of them exhibit acute and chronic toxicity to human. Chronic exposure of benzene is responsible for myeloid leukemia and also ethylbenzene is also recognized as a possible carcinogen. To evaluate the BE effect on human, whole human genome 35 K oligonucleotide microarray were screened for the identification of the differential expression profiling. We identified 280 up-regulated and 201 down-regulated genes changed by more than 1.5 fold by BE exposure. Functional analysis was carried out by using DAVID bioinformatics software. Clustering of these differentially expressed genes were associated with immune response, cytokine-cytokine receptor interaction, toll-like signaling pathway, small cell lung cancer, immune response, apoptosis, p53 signaling pathway and MAPKKK cascade possibly constituting alternative or subordinate pathways of hematotoxicity and immune toxicity. Gene ontology analysis methods including biological process, cellular components, molecular function and KEGG pathway thus provide a fundamental basis of the molecular pathways through BEs exposure in human lymphoma cells. This may provides a valuable information to do further analysis to explore the mechanism of BE induced hematotoxicity.

A Study on Dietary Intake of Korean Diabetic Men (한국 남자 당뇨환자의 식품 섭취 실태 조사)

  • 오우균
    • The Korean Journal of Food And Nutrition
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    • v.6 no.3
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    • pp.143-157
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    • 1993
  • This research aims to find the information concerning nutritional status and food intake in Korean dirt betic men. Thus, the survey was made on 202 NIDDM patients over 35 age at University Hospital. The data were analysed using F-test and mutiple comparison in SAS package program. Main results were as follows : Incidence of diabetes is high in their forties and fifties. Most of them are salary men, administrators, and professionals in middle class, who reside in metropolitan area including Seoul. They used to take light exercise and were founded NIDDM by subjective symptoms. 36.6% of them have other diseases simultaneously such as hypertension, cancer, etc. Food intake pattern prior to incidence was that intake frequency of grains, sugars, protein foods, and liking foods was higher than of processed foods. Amounts of calorie intake were shown to be lower than normal persons, so that it seemed to be controlled by doctors. In addition, the calorie ratio derived from fat was lower than RDA. Thus protein and carbohydrate ratio was relatively higher than RDA. Total moan fatty acid intake was 32.15g and it is no significance among weight groups in various fatty acid intakes. With respect to the physical standards of the diabetic men, weight, PIBW BMI, BMM, 757, arm circumference, and waist /hip ratio were higher than in normal. Therefore it seemed that these factors would be related to the diabetics. From now on, it is required to research the correlations of fatty acid intakes on the diabetes and their influence to serum lipid profiles.

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Overexpression and Biological Characterization of the Death Domain Complex between TRADD and FADD

  • Hwang, Eun Young;Jeong, Mi Suk;Sung, Minkyung;Jang, Se Bok
    • Bulletin of the Korean Chemical Society
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    • v.34 no.4
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    • pp.1089-1095
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    • 2013
  • The tumor necrosis factor-receptor 1 (TNFR1)-associated death domain protein (TRADD) contains an N-terminal TRAF binding domain and a C-terminal death domain. TRADD is known to interact directly with TNF receptor 2 (TNFR2) and the Fas-associated death domain protein (FADD), which are signal transducers that activate NF-${\kappa}B$ and induce apoptosis, respectively. To date, there has been no structural information on the TRADD and FADD death domain (DDs) complex. In this study, the death domains of TRADD and FADD were co-expressed and purified from Escherichia coli for structural characterization. We found that human TRADD (hTRADD) interacted strongly with mouse FADD (mFADD) via their DDs and interacted weakly with human FADD (hFADD)-DD. Moreover, the structures of the TRADD-DD:FADD-DD complexes were separately modeled from predicted structures in the protein data bank (PDB). The results of this study will have important applications in human diseases such as cancer, AIDS, degenerative and autoimmune diseases, and infectious diseases.