1.Numerical aberrations of chromosome 17 and her2/neu gene amplification, her2/neu and p 53 protein expression in breast cancer.
Ki Taek HAN ; Young Hwan OH ; Poong LIM
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1998;25(8):1416-1425
Breast cancer is one of the leading causes of death attributable to cancer in women. In view of the limitations of conventional predictable factors of the breast cancer, additional second-generation parameters would be valuable in selecting the patients who would be most likely to be beneficial from adjuvant therapy and breast reconstruction. The author investigated the HER2/neu gene amplification and the number of chromosome 17 in 39 cases of paraffin embedded breast cancer tissues, 20 cases without lymph node metastasis and 19 cases with lymph node metastasis, using fluorescent in situ hybridization(FISH) and compared the results with HER2/neu and p 53 protein expression detected by immunohistochemical method. Eleven cases fibroadenoma were used as benign tumor control. Numerical aberrations of chromosome 17 were found in 17 out 39 breast cancer cases (44%)(monosomy in 10 cases, 26%; trisomy in 3 cases, 8%; tetrasomy in 3 cases, 8%; polysomy in 1 case ,3%), and the frequency of each type aberration was not significantly different between the negative and positive groups in lymph node metastasis. Monosomy of chromosome 17 was found in 2 out of 11(12%) fibroadenoma cases. HER2/neu gene amplification was found in 8 out of 39 cases (19%) and other 2 cases revealed HER2/neu gene amplification in lymph node metastatic tumor only, not in original tumor. Fourteen out of 19 cases of breast cancer with lymph metastasis showed HER2/neu protein expression both in original and metastatic tumors. All of the six cases showing HER2/neu gene amplification in original and/or metastatic tumor revealed HER2/neu protein expression. The frequency of HER2/neu gene amplification in the 39 breast cancer cases was not different between metastatic and non-metastatic groups(p= 0.284). However, HER2/neu protein expression was increased significantly in the metastatic group(p=0.028). None of the 11 fibroadenoma cases revealed HER2/neu gene amplification or HER2/ neu protein expression. Nine out of 19 cases of breast cancer with lymph node metastasis showed p 53 protein accumulation in original tumor(47%), but 3 of them revealed p 53 protein accumulation only in original tumor. The frequency of p 53 protein accumulation was not significantly different between metastatic and non-metastatic groups. None of the 11 fibroadenoma cases revealed p 53 protein accumulation. In conclusion, there are no differences between the lymph node metastatic group and non-metastatic groups in numerical aberrations of the chromosome 17 , amplification of the HER2/neu gene expression and accumulation of the p 53 protein in breast cancer. However, the HER2/neu protein expression was increased significantly in lymph node metastatic group, so it could be one of the predictors of the metastasis in breast cancer.
Breast Neoplasms*
;
Breast*
;
Cause of Death
;
Chromosomes, Human, Pair 17*
;
Female
;
Fibroadenoma
;
Gene Amplification*
;
Gene Expression
;
Humans
;
Lymph Nodes
;
Mammaplasty
;
Monosomy
;
Neoplasm Metastasis
;
Paraffin
;
Tetrasomy
;
Trisomy
2.A Comparison of Clinical Manifestations of Patients with Tsutsugamushi Disease between Children and Adults.
Yo Han HO ; Ki Cheol PARK ; Young Taek JANG
Korean Journal of Pediatric Infectious Diseases 2014;21(2):104-113
PURPOSE: We compared the clinical manifestations of patients with tsutsugamushi disease between children and adults. METHODS: From January 2003 to December 2012, 768 patients diagnosed with tsutsugamushi disease were retrospectively reviewed, and the clinical characteristics, laboratory findings, and complications were compared between children and adults. RESULTS: No patterns of annual increases in the number of patients were noted in both children and adults. The higher incidences occurred in October and November respectively. By gender, male outnumbered female in children, but the opposite trend was seen in adults. By residential area, the urban distribution of children was higher than that of adults. Rashes (P=0.001) and eschar (P=0.004) were more common in children, while myalgia was more common in adults. Children had a high prevalence of anemia (P=0.041), and low incidence rates of thrombocytopenia, abnormal liver and renal function. Children yielded better results in the duration of their hospital stay and the incidence of complications (P<0.001). A comparison of the therapeutic effects of doxycycline and macrolide antibiotics, which was performed only on the children, did not reveal any significant differences. CONCLUSION: Compared to adults, children had higher incidence rates of male patients and more often suffered from rashes and eschar. Children yielded better results in the laboratory findings and duration of the hospital stay and complications. Therefore, when children are suspected to have tsutsugamushi disease, especially during its peak occurrence period, detailed physical examination and serological test should be performed to ensure a prompt diagnosis, and the use of macrolide antibiotics, which have fewer side effects, is expected to yield the same therapeutic effects.
Adult*
;
Anemia
;
Anti-Bacterial Agents
;
Child*
;
Diagnosis
;
Doxycycline
;
Exanthema
;
Female
;
Humans
;
Incidence
;
Length of Stay
;
Liver
;
Male
;
Myalgia
;
Physical Examination
;
Prevalence
;
Retrospective Studies
;
Scrub Typhus*
;
Serologic Tests
;
Thrombocytopenia
3.A Case of Epidermolysis Bullosa Letalis.
Sang Taek LEE ; Chang Ho HAN ; Soo Young KIM ; Jung Kwon LEE ; Young Dae KWON ; Han Ik BAE
Journal of the Korean Pediatric Society 1987;30(7):818-825
No abstract available.
Epidermolysis Bullosa*
;
Epidermolysis Bullosa, Junctional*
4.Seven Autopsy Cases of Anencephaly.
Sang Taek LEE ; Chang Ho HAN ; Soo Yong KIM ; Jung Kwon LEE ; Young Dae KWON
Journal of the Korean Pediatric Society 1987;30(11):1317-1322
No abstract available.
Anencephaly*
;
Autopsy*
5.A clinical review of frontal sinus fracture.
Jin Soo LIM ; Young Hwan OH ; Sung Pil CHO ; Ki Taek HAN ; Poong LIM
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1991;18(2):274-280
No abstract available.
Frontal Sinus*
7.A Clinical Study on Infectious Corneal Ulcer.
Min AHN ; Young Taek JUNG ; Hong Joo HAN
Journal of the Korean Ophthalmological Society 1996;37(9):1538-1543
From 1986 to 1995, 75 eyes of 75 patients who were admitted with a diagnosis of infectious corneal ulcer at Chunbuk university hospital were analyzed on the etiologic agents and clinical findings. Etiologic agents of infectious corneal ulcer were classified as 49 bacterial ulcers(65.3%) and 26 fungal ulcers(34.7%). The most common isolated bacteria was 8 cases of coagulase negative staphylococcus and pseudomonas species was the most common isolated gram negative organism. Candida species was the most commonly isolated fungus. Hypopyon was noted in 30 cases(40%) of infectious corneal ulcers, 14 cases in small ulcer group and 16 cases in large ulcer group. There was no difference between severity and presence of hypopyon of the 75cases (P>0.05. chi-square test).
Bacteria
;
Candida
;
Coagulase
;
Corneal Ulcer*
;
Diagnosis
;
Fungi
;
Humans
;
Pseudomonas
;
Staphylococcus
;
Ulcer
8.Erratum: Correction of Affiliation.
Ji Eun KIM ; Young Ran CHO ; Bo Eun CHOI ; Sang Han LEE ; Taek Hoo LEE
Obstetrics & Gynecology Science 2018;61(2):286-286
The affiliations were published incorrectly.
9.Rhodanthpyrone A and B play an anti-inflammatory role by suppressing the nuclear factor-κB pathway in macrophages
Kyeong Su KIM ; Chang Yeob HAN ; Young Taek HAN ; Eun Ju BAE
The Korean Journal of Physiology and Pharmacology 2019;23(6):493-499
Macrophage-associated inflammation is crucial for the pathogenesis of diverse diseases including metabolic disorders. Rhodanthpyrone (Rho) is an active component of Gentiana rhodantha, which has been used in traditional Chinese medicine to treat inflammation. Although synthesis procedures of RhoA and RhoB were reported, the biological effects of the specific compounds have never been explored. In this study, the anti-inflammatory activity and mechanisms of action of RhoA and RhoB were studied in lipopolysaccharide (LPS)-stimulated macrophages. Pretreatment with RhoA and RhoB decreased inducible nitric oxide synthase and cyclooxygenase-2 expressions in RAW 264.7 cells and in thioglycollate-elicited mouse peritoneal macrophages. In addition, it downregulated transcript levels of several inflammatory genes in LPS-stimulated RAW 264.7 cells, including inflammatory cytokines/chemokines (Tnfa, Il6, and Ccl2) and inflammatory mediators (Nos2 and Ptgs2). Macrophage chemotaxis was also inhibited by treatment with the compounds. Mechanistic studies revealed that RhoA and RhoB suppressed the nuclear factor (NF)-κB pathway, but not the canonical mitogen activated protein kinase pathway, in LPS-stimulated condition. Moreover, the inhibitory effect of RhoA and RhoB on inflammatory gene expressions was attenuated by treatment with an NF-κB inhibitor. Our findings suggest that RhoA and RhoB play an anti-inflammatory role at least in part by suppressing the NF-κB pathway during macrophage-mediated inflammation.
Animals
;
Chemotaxis
;
Cyclooxygenase 2
;
Gene Expression
;
Gentiana
;
Inflammation
;
Interleukin-6
;
Macrophages
;
Macrophages, Peritoneal
;
Medicine, Chinese Traditional
;
Mice
;
Nitric Oxide Synthase Type II
;
Protein Kinases
;
RAW 264.7 Cells
10.A Case of Anomalous Origin of Right Pulmonary Artery from the Ascending Aorta.
Dong Sun HAN ; Choon Taek LEE ; Jung Hyun KIM ; Young Bae PARK ; Jungdon SEO ; Young Woo LEE ; Kyung Mo YUN
Korean Circulation Journal 1984;14(1):179-184
Anomalous origin of one pulmonary artery from the ascending aorta is a rare congenital malfomation. To date, there have been 60 reported cases in the literature. Usually the right pulmonary artery arises form the ascending aorta and other malformations such as patent ductus arteriosus are commonly associated. Early diagnosis is essential because congestive heart failure develops in early life and operation is contraindicated if severe pulmonary vascular changes have occurred. We report a case of anomalous origin of right pulmonary artery from the ascending aorta, which is associated with patent ductus arteriosus and severe pulmonary hypertension. She was diagnosed by digital subtractional angiography and cardiac catheterization.
Angiography
;
Aorta*
;
Cardiac Catheterization
;
Cardiac Catheters
;
Ductus Arteriosus, Patent
;
Early Diagnosis
;
Heart Failure
;
Hypertension, Pulmonary
;
Pulmonary Artery*