A clinical review of 31 cases of multiple myeloma which were diagnosed by criteria of the SWOG between May 1983 and February 1990 at Yeungnam University Hospital was done. The results were as followings : 1. The peak incidence was in 7th decade and male to female ratio was 1.8 : 1. 2. The most common presenting symptom at first diagnosis was bone pain (58%), but fever, dyspnea, dizziness and palpable mass were also noted. 3. The distribution of laboratory findings as following diagnostic criteria of Southwest oncology group(SWOG) : plasmacytoma on tissue biopsy was noted 6 cases, bone marrow plasmacytosis with more than 10% plasma cells was 22 cases, monoclonal globulin spike on serum electrophoresis was 24 cases, lytic bone lesions was observed 22 cases. 4. Initial clinical stages were classified as 2 cases in stage I, 3 cases in stage II, 26 cases in stage III(84%) 5. Immunoelectrophoresis revealed the distribution of IgG 64%, light chain 22%, IgA 10%. Kappa to Lambda ratio of 1.1 : 1. 6. Hematologic & biochemical fingins revealed anemia with <8.5% of hemoglobulin in 42%, hypercalcemia with < 10.6mg% of serum calcium in 22%, azotemia >2.0mg% of serum creatinine in 19%. 7. The multiple punched out lesion of bone x-ray examination were noticed skull(65%), rib(42%), L-spine(35%), pelvis(23%), T-spine(19%). The initial skeletal roentgenographic findings showed osteoporosis, osteolytic lesion and fracture in 55%, only osteolytic lesion in 23%, only osteoporosis in 10%. 8. Complications of multiple myeoloma, such as 10 cases of renal impairment, 8 cases of infection, 16 cases of compression fracture of spine were observed.
Choi, Jeong Su;Park, Sang Yong;Yang, Man Gil;Lee, Dong Beom;Lee, Tae Bok;Heo, Ji Hye;Lee, Min Woo;Kim, Suhng Wook
Korean Journal of Clinical Laboratory Science
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v.48
no.3
/
pp.169-175
/
2016
Saccharin (o-benzoic sulfimide) is the first artificial and non-caloric sweetener that was first synthesized in 1879. In this study, we examined the biological activity of saccharin against various human cancer cell lines and human bone marrow-derived mesenchymal stem cells. A viability assay based on the conversion of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) was performed to test for the cytotoxicity of saccharin about the four human cancer cell lines (H460, H157, A549 and SKOV3), one murine cancer cellline (Raw264.7), and MSCs. In order to find the differentially expressed gene in saccharin-treated MSCs against untreated MSCs, we performed annealing control primer (ACP)-based differential display reverse transcriptionp-olymerase chain reaction (DDRT-PCR). All tested cells were treated with saccharin at various concentrations (0.0, 4.8, 7.2, 9.6, 12.0, 14.4 mg/mL) for 48 hr. The number of metabolically active cancer cells decreased when treated with the saccharin at various concentrations for 48 hr as compared with the untreated cells. The decrease in cell survival was more evident with increasing concentrations of saccharin. Moreover, novel candidate genes, which were differentially expressed in MSCs in response to saccharin, were identified in 16 bands on 2% agarose gel. This revealed 16-7 up-regulated and 9 down-regulated-differentially expressed genes indicated by arrows. One of these candidate genes was a FK506-binding protein gene. The functional roles of FK506 binding proteins, with respect to the activities of stem cell proliferation, were not characterized. Further studies are required to get a better understanding of FK506-binding proteins in its roles in increasing stem cell proliferative activities from using saccharin.
Park, Se-Ah;Kang, Hyun-Mi;Heo, Jin-Yeong;Yoon, Jin-Ah;Kim, Hae-Kwon
Clinical and Experimental Reproductive Medicine
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v.36
no.1
/
pp.23-34
/
2009
Objectives: Mesenchymal stem cells (MSC) comprise a promising tool for cellular therapy. It is known that long-term in vitro culture of human bone marrow and adipose tissue derived-MSCs lead to a reduction of life span and a change of stem-like characters. The aim of our study was to examine whether stem cell properties of human umbilical cord-derived stem cells (HUC) could be affected by in vitro expansion. Methods: HUC were isolated from human umbilical cord and cultured for 10 passages in vitro. Morphology and population doubling time (PDT) were investigated, and changes of stem cell properties were examined using RT-PCR and immunocytochemistry during serial subcultures. Results: Morphology and PDT of HUC began to change slightly from the 7th passage (p7). Expression level of nestin and vimentin mRNAs increased along with the culture period from p4 until p10. In contrast, expression level of SCF mRNA decreased during the same culture period. Expression level of Oct-4 and HNF-4${\alpha}$ mRNAs was not significantly changed throughout the culture period until p10. Expression level of BMP-4, FGF-5, NCAM and HLA-ABC mRNAs appeared to increase as the culture continued, however, the difference was not significant. Immunocytochemical studies showed that HUC at p3, p6 and p9 positively were stained with antibodies against SSEA-3 and SSEA-4 proteins. Interestingly, staining intensity of HUC for ICAM-1 and HLA-ABC gradually increased throughout the culture period. Intensity against thy-1 and fibronectin antibodies increased at p9 while that against TRA-1-60 and VCAM-1 antibodies began to decrease at p6 until p9. Conclusions: These results suggest that HUC change some of their stem cell characteristics during in vitro culture. Development of culture system might be needed for the maintenance of characteristics.
Liver regeneration is a result of highly coordinated proliferation of hepatocytes and nonparenchymal liver cells. Partial hepatectomy (PH) is the most often used stimulus to study liver regeneration because, compared with other methods that use hepatic toxins, it is not associated with the tissue injury and inflammation, and the initiation of the regenerative stimulus is precisely defined. Granulocyte macrophage-colony stimulating factor (GM-CSF), which is a cytokine able to regulate the proliferation and differentiation of epithelial cells, was first identified as the most potent mitogen for bone marrow. Particularly, rrhGM-CSF, which is highly glycosylated and sustained longer than any other types of GM-CSF in the blood circulation, was specifically produced from rice cell culture. In this experiment, effects of rrhGM-CSF administration were evaluated in the regenerating liver after 78% PH of rats. Morphological changes induced by PH were characterized by destroyed hepatocyte plate around the central vein and enlarged nuclear cytoplasmic ratio and increased hepatocytes with two nuclei. And then, proliferation of liver cells (parenchymal and nonparenchymal) and rearrangement of plates and lobules seemed to be carried out during liver regeneration. These alterations in the experimental group preceded those of the control. Since proliferating cell nuclear antigen (PCNA) is known to be a nuclear protein maximally elevated in the S phase of proliferating cells, the protein was used as a marker of liver regeneration after PH in rats. PCNA levels by western blot analysis and immunohistology were compared between the two groups. PCNA protein expression of two groups at 12 hr and 24 hr after injury showed similar pattern. The protein expression showed the peak at 3 days in both groups, however, the protein level of the experimental group was higher than that of the control. On immunohistochemical observations, the reaction product of PCNA was localized at the nuclei of proliferating cells and the positive reaction in experimental group at 3 days was clearly stronger than that in control group. The results by Western blotting and immunohistology for PCNA showed similar pattern in terms of the protein levels. In conclusion, rrhGM-CSF administration during liver regeneration after 78% PH accelerated breakdown and restoration of the hepatic plate and expression of PCNA. These results suggest that rrhGM-CSF might play an important role during liver regeneration in rats.
Journal of the Korean Society of Food Science and Nutrition
/
v.43
no.1
/
pp.9-15
/
2014
To characterize novel biologically-active ingredients in traditional Korean soy sauces, polysaccharide fractions were isolated from two different soy sauces made either commercially (CSP-0) or through a traditional Korean process (KTSP-0), after which their intestinal immune-modulating activities were examined. CSP-0 and KTSP-0 showed enhanced production of interleukine-6 (IL-6) in culture supernatant of Peyer's patch cells. However, KTSP-0 activity was more potent than that of CSP-0. Only KTSP-0 increased in vitro immunoglobulin A (IgA) production by Peyer's patch cells in a dose-dependent manner. KTSP-0 also showed the higher bone marrow cell proliferation activity through Peyer's patch cells than that of the CSP-0 group. To investigate the in vivo effects on the intestinal immune system, CSP-0 and KTSP-0 were administered orally to four experimental groups of mice (0.0, 0.5, 1.0, and 5.0 mg/mouse/day, 30 days). Oral administration of CSP-0 and KTSP-0 induced IgA production by Peyer's patch cells and increased IgA excretion into mouse stools in a dose-dependent manner. Peyer's patch cells from the mice administered both CSP-0 and KTSP-0 showed significantly higher IL-6 production than that of the untreated or CSP-0 groups. However, oral administration of KTSP-0 was more effective at the same dosage. KTSP-0 administration augmented IL-6 content in mouse sera, whereas CSP-0 did not show any effect on IL-6 induction. The above data lead us to conclude that the intestinal immune-stimulating activities of polysaccharides from Korean traditional soy sauce are much better than those of commercial ones.
Yoo Byung Su;Lee Jae Woong;Jo Tae Jun;Hong Ki Woo;Kim Kun Il;Lee Weon Yong;Kim Dong Gyu;Jun Sun Young
Journal of Chest Surgery
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v.38
no.12
s.257
/
pp.866-869
/
2005
Langerhans Cell Histiocytosis (LCH) is a pathologic proliferation and infiltration of various organs by Langerhans' cells of unknown cause. Incidence rate of one million parties 3$\∼$4 is seen in young child but the incidence is not sure in adult. Organ systems involved by LCH may include skin, ear, bone marrow, liver, spleen, lung, pituitary gland - hypothalamus and Gl tracts. In case pituitary-hypothalamus axis are involved, diabetes insipidus happened. Primary Pulmonary Langerhans Cell Histiocytosis(PLCH) with uninvolvement of other organs is rare and accompanied diabetes insipidus is more rare. There are many cases of LCH with diabetes insipidus involve such as central nervous system except lung. PLCH accompany central diabetes insipidus is only 1 case. We report a case of PLCH that accompany central diabetes insipidus with literature investigation in Department of Thoracic and Cardiovascular Surgery, Hallym University.
Choi, Jeong Su;Heo, Ji Hye;Kim, Dae Jin;Namkung, Su Min;Lee, Tae Bok;Lee, Min Woo;Kim, Suhng Wook
Korean Journal of Clinical Laboratory Science
/
v.49
no.2
/
pp.69-78
/
2017
Cordyceps militaris has been used in traditional Chinese medicine owing to its anticancer and immunomodulatory activities. Germanium compounds have also been shown to be associated with many pharmacological functions, such as antimicrobial, antiviral, antitumor, antimutagenic, and immunomodulating effects. In this study, we examined the biological properties of hot water extract from mycelial liquid culture of germanium-enriched C. militaris (CMGe). CMGe displayed a concentration-dependent antiproliferation activity against four human cancer cell lines. The antiproliferative activity of CMGe was 2-4-fold lower than that of hot water extract from mycelial liquid culture in C. militaris (CM). However, CM had a concentration-dependent cytotoxicity to human bone marrow-derived mesenchymal stem cells (MSCs). Contrastingly, CMGe did not cause any cellular damage to MSCs. MSCs cultured with CMGe displayed an increased proliferative activity with no cytotoxic effect. The oral administration of CMGe inhibited increased tumor volume and weight compared with the control group. CMGe has the potential to be used as an industrial product in medicinal foods as well as in pharmaceutical products.
To evaluate mutagenicity of Phosphinotricin Acetyltransferase(PAT) which is expressed by the glufosinate-resistance gene pat, in vitro reverse mutation test using Salmonella typhimurium, chromosome aberration test using chinese hamster lung(CHL) cells and in vivo micronucleus test of mice were performed. In the reverse mutation, the PAT did not induce mutagenicity in Salmonella typhimurium TA 98, TA 100, TA 1535, TA 1537 with and without metabolic activation at $5000{\mu}g/plate$. In the chromosome aberration test, the results showed no incidence of increased structural and numerical chromosome aberrations at any doses tested(100, 10, $1{\mu}g/mL$). In micronucleus test, the ratio of micronuclei was measured in polychromatic erythrocytes of bone marrow of male ICR mice intraperitoneally administrated with PAT(1250, 625, and 313 mg/kg), the results showed no incidence of increased micronucleated polychromatic erythrocytes (MNPCE). These results indicate that PAT might not have mutagenic potential in vitro and vivo systems.
Park, Soon-Jung;Jeon, Young-Joo;Kim, Ju-Mi;Shin, Jeong-Min;Chae, Jung-Il;Chung, Hyung-Min
Reproductive and Developmental Biology
/
v.34
no.3
/
pp.143-151
/
2010
Pluripotency of human embryonic stem cell (hESC) is one of the most valuable ability of hESCs for applying cell therapy field, but also showing side effect, for example teratoma formation. When transplant multipotent stem cell, such as mesnchymal stem cell (MSC) which retains similar differentiation ability, they do not form teratoma in vivo, but there exist limitation of cellular source supply. Accordingly, differentiation of hESC into MSC will be promising cellular source with strong points of both hESC and MSC line. In this study, we described the derivation of MSC like cell population from feeder free cultured hESC (hESC-MSC) using direct differentiation system. Cells population, hESC-MSC and bone marrow derived MSC (BM-MSC) retained similar characteristics in vitro, such as morphology, MSC specific marker expression and differentiation capacity. At the point of differentiation of both cell populations, differentiation rate was slower in hESC-MSC than BM-MSC. As these reason, to verify differentially expressed molecular condition of both cell population which bring out different differentiation rate, we compare the molecular condition of hESC-MSC and BM-MSC using 2-D proteomic analysis tool. In the proteomic analysis, we identified 49 differentially expressed proteins in hESC-MSC and BM-MSC, and they involved in different biological process such as positive regulation of molecular function, biological process, cellular metabolic process, nitrogen compound metabolic process, macromolecule metabolic process, metabolic process, molecular function, and positive regulation of molecular function and regulation of ubiquitin protein ligase activity during mitotic cell cycle, cellular response to stress, and RNA localization. As the related function of differentially expressed proteins, we sought to these proteins were key regulators which contribute to their differentiation rate, developmental process and cell proliferation. Our results suggest that the expressions of these proteins between the hESC-MSC and BM-MSC, could give to us further evidence for hESC differentiation into the mesenchymal stem cell is associated with a differentiation factor. As the initial step to understand fundamental difference of hESC-MSC and BM-MSC, we sought to investigate different protein expression profile. And the grafting of hESC differentiation into MSC and their comparative proteomic analysis will be positively contribute to cell therapy without cellular source limitation, also with exact background of their molecular condition.
Lymphomatoid granulomatosis, polymorphic reticulosis, midline malignant reticulosis, or lethal midline granuloma have similar histologic features of an angiocentric and angiodestructive lymphoreticular proliferation representing the same nosologic entity. The term 'angiocentric immunoproliferative lesion' (AIL) was proposed by Jaffe, Costa, and Martin. The malignant potential of AILs is originally uncertain, but the facts that AILs have a relatively short survival, and most of them usually progress to an overt malignant lymphoma and survival is inversely proportional to the large, atypical lymphoreticular cells suggest that AILs are malignane. We experienced 17 AILs in nose during 16-year period and retrogradely analized them to recognize the problems in the diagnosis and to establish the further therapeutic strategies. The results were as follows; Twelve of total 17 patients who had diagnosed as histologic grade 1 and 2 had received radiation therapy as an initial treatment and the complete response rate was 91.7%(11/12), but 6 out of 11 had local recurrence and 5 had progress to overt maligant lymphoma within 2years. Three patients with the histologic grade 3 and 2 with unclear histologic grade had received CHOP chemotherapy and there was 1 case with complete response. Two patients with unclear histologic grade had been proved to be malignant histiocytosis by bone marrow biopsy during the clinical course. The overall duration of survival was 2 - 119 months and the 5-year survival rate was 71.9%. And the achievement of initial complete response was the most important prognostic factor of overall survival(P=0.006). Our results suggest that the treatment strategy according to the histologic grading scheme is efficient and more aggressive combination chemotherapy may be necessary to achieve complete response in patients with histologic grade III and II, because most of them progress to overt malignant lymphoma during its process.
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