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In vitro Derby Imaging of Cancer Biomarkers Using Quantum Dots
Ko, Mee Hyang,Kim, Soonhag,Kang, Won Jun,Lee, Jung Hwan,Kang, Hyungu,Moon, Sung Hwan,Hwang, Do Won,Ko, Hae Young,Lee, Dong Soo WILEY-VCH Verlag 2009 Small Vol.5 No.10
<P>Semiconductor quantum dots (QDs), which have broad absorption with narrow emission spectra, are useful for multiplex imaging. Here, fluorescence derby imaging using dual color QDs conjugated by the AS1411 aptamer (targeting nucleolin) and the arginine–glycine–aspartic acid (targeting the integrin α<SUB>v</SUB>β<SUB>3</SUB>) in cancer cells is reported. Simultaneous fluorescence imaging of cellular distribution of nucleolin and integrin α<SUB>v</SUB>β<SUB>3</SUB> using QDs enables easy monitoring of separate targets in the cancer cells and the normal healthy cells. These results suggest the feasibility of a concurrent visualization of QD-based multiple cancer biomarkers using small molecules such as aptamer or peptide ligands.</P> <B>Graphic Abstract</B> <P>In vitro derby imaging of RGD peptide targeting integrin α<SUB>v</SUB>β<SUB>3</SUB> protein (green in image) and AS1411 aptamer targeting nucleolin protein (red) using two different quantum dots (605 and 655 nm) is successfully visualized in HeLa cells, simultaneously. Fluorescent imaging signatures of the overlay (yellow) from the integrin α<SUB>v</SUB>β<SUB>3</SUB> and nucleolin show the co-localization in the cellular membrane. <img src='wiley_img/16136810-2009-5-10-SMLL200801580-content.gif' alt='wiley_img/16136810-2009-5-10-SMLL200801580-content'> </P>
( Hyang-suk Ryu ),( Tae-wook Kim ),( Hyun-joo Lee ),( Sung-min Park ),( Hyunju Jin ),( Woo-haing Shim ),( Gun-wook Kim ),( Hoon-soo Kim ),( Hyun-chang Ko ),( Byung-soo Kim ),( Moon-bum Kim ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.2
Background: A distinctive clinical pattern of alopecia is very important for the differential diagnosis among various alopecia. However, dermatologists may have difficulty making correct diagnosis when alopecia occurred in a linear pattern because their clinical presentation might be extremely rare. Objectives: To identify the clinical and histopathological characteristics of linear alopecia of the scalp in Korean patients Methods: This retrospective study included patients with linear alopecia of the scalp presenting at the Pusan National University Hospital (Busan and Yangsan) during a 15-year period (2002-2017). In all the patients, biopsies were performed and final diagnosis was made based on clinical and histopathologic findings. We reviewed medical records, clinical photos, and histopathological slides. Results: Twenty-one patients with linear alopecia of the scalp were included in this study. The most common dermatoses was En Coup de Sabre (7/21, 33.3%), followed by alopecia areata (5/21, 23.8%), lupus erythematosus (2/21, 9.5%), pseudopelade of Brocq (2/21, 9.5%), non-specific scarring alopecia (2/21, 9.5%), triangular alopecia (1/21, 4.8%), trichotillomania (1/21, 4.8%), and traction alopecia (1/21, 4.8%). Conclusion: The result of this study could be helpful for dermatologits when encounting linear alopecia of the scalp.
Letters to the Editor : A Case of Soft Fibroma of the Nipple with a Cauliflower-Like Appearance
( Hyang Suk You ),( Sung Min Park ),( Hyun Ho Cho ),( Won Jeong Kim ),( Je Ho Mun ),( Margaret Song ),( Hoon Soo Kim ),( Hyun Chang Ko ),( Moon Bum Kim ),( Byung Soo Kim ) 대한피부과학회 2015 Annals of Dermatology Vol.27 No.1
Dermatoses of the Glans Penis in Korea: A 10-Year Single Center Experience
( Hyang Suk You ),( Gun Wook Kim ),( Won Jeong Kim ),( Je Ho Mun ),( Margaret Song ),( Hoon Soo Kim ),( Hyun Chang Ko ),( Byung Soo Kim ),( Moon Bum Kim ) 대한피부과학회 2016 Annals of Dermatology Vol.28 No.1
Background: A variety of infectious, inflammatory, and neoplastic dermatoses can develop on the glans penis, and definitive diagnosis in such cases may be difficult owing to their non-specific symptoms and clinical appearance. Furthermore, data on dermatoses of the glans penis in Korea are limited. Objective: In the present study, we aimed to determine the prevalence of dermatoses of the glans penis in Korea and provide clinical data to assist in making an accurate diagnosis. Methods: We retrospectively reviewed the medical records, clinical photographs, and histologic slides of 65 patients with dermatoses of the glans penis that visited the Pusan National University Hospital between January 2004 and August 2013. Results: Twenty-six types of dermatoses were identified: inflammatory dermatosis was the most common (38/65, 58. 5%), followed by infectious (13/65, 20. 0%), neoplastic (10/65, 15. 4%), and other dermatoses (4/65, 6. 2%). The most common dermatosis of the glans penis was seborrheic dermatitis, followed by lichen planus, herpes progenitalis, condyloma accuminatum, erythroplasia of Queyrat, Zoon s balanitis, and psoriasis. In the topographic analysis, the most common type of dermatosis was dermatoses that localized to the glans penis (39/65, 60. 0%), followed by dermatoses involving the extra-genitalia and glans penis (22/65, 33. 9%), and the genitalia (glans penis plus other genital areas) (4/65, 6. 2%). Conclusion: This study shows the usefulness of a topographic approach in the diagnosis of dermatoses of the glans penis in Korea. The findings could be used as baseline data for establishing an accurate diagnosis in Koreans.
P186 Clinical and histological differences between volar and non-volar poromas
( Hyang-suk You ),( Dae-lyong Ha ),( Hyunju Jin ),( Woo-haing Shim ),( Jeong-min Kim ),( Gun-wook Kim ),( Hoon-soo Kim ),( Hyun-chang Ko ),( Byung-soo Kim ),( Moon-bum Kim ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.2
<div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div> Background: Poroma is a benign adnexal neoplasm that occurs most often on non-hairy and acral volar skin. Dermatologists can have difficulty to make correct diagnosis when poroma occurred on non-volar regions because their clinical presentation might be unusual. Objectives: This study aimed to investigate the clinical and histological differences between volar (acral and typical) and non-volar (mostly non-acral and atypical) poromas. Methods: We retrospectively reviewed medical records, clinical and dermoscopic photos, and histopathologic slides of 37 patients diagnosed with poroma by skin biopsy in the Pusan National University Hospital (Busan and Yangsan) over a 15 year period (2002-2016). Results: Among 37 patients, 19 (51.4%) were volar and 18 (48.6%) were non-volar poromas. The most common site of involvement was plantar surface, while there was no involvement in palmar surface. Other sites of involvement included lower extremities in 29.7% (n=11), face in 5.4% (n=2), scalp in 5.4% (n=2), abdomen in 5.4% (n=2), and back in 2.7% (n=1). The pigmented poromas frequently occurred in non-acral region rather than acral region. Conclusion: Though the sample size of this study can be small, to our knowledge, this was the first study investigating clinical and histopathologic difference of poromas with respect to location. And, the result of this study could be helpful for dermatologits when encounting volar and non-volar poromas.