1.The Effects of Hydrogen Peroxide on the Migration and Proliferation of the Human Keratinocytes during Wound Healing.
Hyang Joon PARK ; Jeong Heon LEE
Korean Journal of Dermatology 1999;37(3):352-357
BACKGROUND: Various topical antisepties are often used for postoperative care of surgical wounds. But the effect of these agent on wound healing remains an area of debate. OBJECTIVE: The purpose of this study was to evaluate the biological effects of hydrogen peroxide on human keratinocytes in vitro, specifically on keratinocyte viability, migration and proliferation. METHODS: To evaluate the effects of hydrogen peroxide on keratinocyte viability, migration and proliferation, sulforhodamine B test, migration assay, and thymidine incorporation assay were performed, respectively. Diluted solutions of 30% hydrogen peroxide( X 50, X 100, X 500, X 1000) were used as testing material and growth medium alone as a control.
Humans*
;
Hydrogen Peroxide*
;
Hydrogen*
;
Keratinocytes*
;
Postoperative Care
;
Thymidine
;
Wound Healing*
;
Wounds and Injuries*
2.The Relation of Family History and beta-Endorphin Levels in Alcohol Dependence.
Hee Yeon JEONG ; In Joon PARK ; Young Joon KWON
Journal of the Korean Society of Biological Psychiatry 1998;5(1):102-106
OBJECTIVES: To evaluated the relation of familial history of alcoholism and plasma level of beta-endorphin, ethanol, beta-endorphin, cortisol and blood glucose were compared in 48 male alcoholics and 29 normal controls. METHODS: Subjects are divided into two groups by family history of alcoholism. Blood samples were obtained before and after 0.75mg/kg of ethanol consumption a 7th admission day. RESULTS: 1) The ratio of family history positive to negative of the patient group was 2 to 1. 2) The age at admission of positive family history group was younger than negative groups. 3) There was no significant difference in change of plasma ethanol level among three groups. 4) There was no significant difference in change of plasma beta-endorphin level among three group. 5) There was no significant difference in change of plasma cortisol level among three groups. 6) There was no significant difference in change of fasting blood sugar level between two patients groups.
Alcoholics
;
Alcoholism*
;
beta-Endorphin*
;
Blood Glucose
;
Ethanol
;
Fasting
;
Humans
;
Hydrocortisone
;
Male
;
Plasma
3.Comparison of P300 between Schizophrenia and Bipolar Disorder.
In Joon PARK ; Hee Yeon JEONG ; Young Joon KWON
Journal of the Korean Society of Biological Psychiatry 2001;8(1):123-130
OBJECTIVE: Asymmetries in evoked potential P300 topography of schizophrenia and bipolar disorder are still controversial. The purpose of this study was to examine the difference in P300 topography between schizophrenia and bipolar disorder. METHOD: P300 was recorded from 16 schizophrenic, 15 bipolar manic, and 16 control subjects. All were right-handed. Subjects silently counted target stimuli(2.0kHz) among trains of standard stimuli(1.0 kHz). Averages were constructed from brain responses to target stimuli. RESULTS: 1) Schizophrenics displayed significantly smaller peak amplitude of P300 over Cz, Pz, T3 than controls. 2) Schizophrenics displayed significantly smaller peak amplitude of P300 over T3 than bipolar manics. 3) Schizophrenics displayed significantly smaller peak amplitude of P300 over T3 than their T4. 4) Schizophrenics displayed significantly delayed latency of P300 over T3 than bipolar manics. 5) Schizophrenics displayed significantly delayed latency of P300 over T3 than their T4. CONCLUSION: Left-sided P300 abnormality, especially left superior temporal gyrus, in schizophrenics, relative to bipolar manics and controls suggests that psychophysiological cause of schizophrenia and bipolar disorder is different and P300 asymmetry is specific to the psychophysiological cause of schizophrenia.
Bipolar Disorder*
;
Brain
;
Evoked Potentials
;
Schizophrenia*
6.The Brachioradialis Muscle Flap for Resurfacing of Sort Tissue Defect in the Hand and Forearm.
Jeong Joon PARK ; Young Wook JEON ; Jin Soo KIM
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1999;26(3):325-329
The provision of adequate soft tissue cover for a complex hand and forearm wound-dirty, infected and exposed bone can be a challenging problem. Conventionally, a distant flap or free flap have been used, but these have been associated with several problems such as joint stiffness, risk of microsurgical procedures, negligible donor site morbidity, prolonged operation time and economic restriction. As well, fasciocutaneous flap has been the limitation of infection control. In these situations, the ipsilateral muscle flap provides the ideal cover with its rich blood supply and single operative field. Previously described by Lendrum(1980), by Lae et al.(1981), and later by McGeorge(1991), the brachioradilis muscle is the most superficial muscle on the radial side of the forearm. Its flap is based on the radial artery and venae comitantes. From August 1996 to October 1997, we performed branchioradialis muscle flap in seven patients. Despite the sacrifice of the major hand artery, brachioradialis muscle flap has many advantages including the reliability of flap survival, easy dissection, early mobilization and absence of functional and aesthetic problems at the donor site. It is a relatively simple and rapid method for resurfacing soft tissue defect in the hand and forearm. We obtained satisfactory and reliable results.
Arteries
;
Early Ambulation
;
Forearm*
;
Free Tissue Flaps
;
Hand*
;
Humans
;
Infection Control
;
Joints
;
Radial Artery
;
Tissue Donors
7.REPLANTATION OF THE COMPLETE AVULSION OF THE FINGERS.
Jae In CHUNG ; Jeong Joon PARK ; Jong Ick WHANG
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1997;24(6):1401-1407
No abstract available.
Fingers*
;
Replantation*
8.Two Cases of Cutaneous Cytomegalovirus Infection in Immunocompromised Patients.
Jae Hong PARK ; Jeong Joon OH ; Eil Soo LEE
Annals of Dermatology 2004;16(2):67-70
Cytomegalovirus (CMV) is a major cause of morbidity and mortality in immunocompromised patients. CMV can cause pneumonia, retinitis, gastrointestinal ulcers, and widely disseminated disease, but cutaneous CMV is rare. We report two cases of cutaneous CMV infection presenting as perianal ulcers. A 54 year-old male who had liver transplantation and a 72-year-old male, who was treated with chemotherapy for angioimmunoblastic T-cell lymphoma, presented with perianal ulcers and had systemic symptoms of CMV infection with CMV antigenemia. They had multiple ulcerations with erythematous bases on the perianal area, and histopathologic examinations showed large atypical cytomegalic cells in the dermis, and immunohistochemical stains, with the anti-CMV antibody showed positive reactions.
Aged
;
Coloring Agents
;
Cytomegalovirus Infections*
;
Cytomegalovirus*
;
Dermis
;
Drug Therapy
;
Humans
;
Immunocompromised Host*
;
Liver Transplantation
;
Lymphoma, T-Cell
;
Male
;
Mortality
;
Pneumonia
;
Retinitis
;
Ulcer
9.Association with Autoimmune Disease in Patients with Premature Ovarian Failure.
Joon Cheol PARK ; Jong In KIM ; Jeong Ho RHEE
Korean Journal of Fertility and Sterility 2004;31(3):149-154
OBJECTIVE: To assess the association with autoimmune endocrine diseases and detection rate of autoimmune antibodies and its clinical significance in patients with premature ovarian failure. METHODS: Twenty eight patients with primary or secondary amenorrhea manifesting hormonal and clinical features of premature ovarian failure (primary POF: 7, secondary POF: 21) were investigated. We tested them TFT, 75 g OGTT, ACTH and S-cortisol for thyroiditis, IDDM, Addison's disease, and antithyoglobulin antibody, antimicrosomal antibody, antinuclear antibody, rheumatic factor, anti-smooth muscle antibody, anti-acetylcholine receptor antibody for non-organ specific autoimmune disorders. RESULTS: Only one patient was diagnosed as IDDM and no patients had abnormal TFT or adrenal function test. More than one kind of autoantibody was detected in 11 patients of all (39.2%): 5 patients (71.4%) of primary POF group and 6 patients (21.4%) of secondary POF group. Eleven patients (39.3%) had antithyroglobulin antibody, 4 (14.3%) had antimicrosomal antibody, 2 (7.1%) had antinuclear antibody, 2 (7.1%) had rheumatic factor, 1 (3.6%) had anti-smooth muscle antibody, 1 (3.6%) had anti-acetylcholine receptor antibody. CONCLUSIONS: Premature ovarian failure may occur as a component of an autoimmune polyglandular syndrome, so patients should be measured with free thyroxine, thyroid-stimulating hormone, fasting glucose and electrolytes. Measurement of thyroid autoantibodies in POF patients may be important in identifying patients at risk of developing overt hypothyoidism, but other autoantibodies may not be suitable for screening test.
Addison Disease
;
Adrenocorticotropic Hormone
;
Amenorrhea
;
Antibodies
;
Antibodies, Antinuclear
;
Autoantibodies
;
Autoimmune Diseases*
;
Diabetes Mellitus, Type 1
;
Electrolytes
;
Endocrine System Diseases
;
Fasting
;
Female
;
Glucose
;
Glucose Tolerance Test
;
Humans
;
Mass Screening
;
Primary Ovarian Insufficiency*
;
Thyroid Gland
;
Thyroiditis
;
Thyrotropin
;
Thyroxine
10.Merkel Cell Carcinoma Coexistent with Epidermal Cyst in an Immunosuppressed Man.
Young In JEONG ; Joon Won HUH ; Geon KIM ; Eun Jung KIM ; Hyang Joon PARK ; Mihn Sook JUE
Korean Journal of Dermatology 2014;52(5):368-370
No abstract available.
Carcinoma, Merkel Cell*
;
Epidermal Cyst*
;
Immunosuppression