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Featured researches published by Eun-Kyung Choi.


Asian Pacific Journal of Cancer Prevention | 2014

Association between Socioeconomic Status and Altered Appearance Distress, Body Image, and Quality of Life Among Breast Cancer Patients

Oliver Chang; Eun-Kyung Choi; Im-Ryung Kim; Seok-Jin Nam; Jeong Eon Lee; Se Kyung Lee; Young-Hyuck Im; Yeon Hee Park; Juhee Cho

BACKGROUND Breast cancer patients experience a variety of altered appearance--such as loss or disfigurement of breasts, discolored skin, and hair loss--which result in psychological distress that affect their quality of life. This study aims to evaluate the impact of socioeconomic status on the altered appearance distress, body image, and quality of life among Korean breast cancer patients. MATERIALS AND METHODS A cross-sectional survey was conducted at advocacy events held at 16 different hospitals in Korea. Subjects were eligible to participate if they were 18 years of age or older, had a histologically confirmed diagnosis of breast cancer, had no evidence of recurrence or metastasis, and had no psychological problems at the time of the survey. Employment status, marital status, education, and income were assessed for patient socioeconomic status. Altered appearance distress was measured using the NCIs cancer treatment side effects scale; body image and quality of life were measured by the EORTC QLC-C30 and BR23. Means and standard deviations of each outcome were compared by socioeconomic status and multivariate linear regression models for evaluating the association between socioeconomic status and altered appearance distress, body image, and quality of life. RESULTS A total of 126 breast cancer patients participated in the study; the mean age of participants was 47.7 (SD=8.4). Of the total, 83.2% were married, 85.6% received more than high school education, 35.2% were employed, and 41% had more than


Menopause | 2015

Prevalence and severity of menopause symptoms and associated factors across menopause status in Korean women.

Gyeyoon Yim; Younjhin Ahn; Yoosoo Chang; Seungho Ryu; Joong-Yeon Lim; Danbee Kang; Eun-Kyung Choi; Jiin Ahn; Yuni Choi; Juhee Cho; Hyun-Young Park

3000 in monthly household income. About 46% had mastectomy, and over 30% were receiving either chemotherapy or radiation therapy at the time of the survey. With fully adjusted models, the employed patients had significantly higher altered appearance distress (1.80 vs 1.48; p<0.05) and poorer body image (36.63 vs 51.69; p<0.05) compared to the patients who were unemployed. Higher education (10.58, standard error (SE)=7.63) and family income (12.88, SE=5.08) was positively associated with better body image after adjusting for age, disease stage at diagnosis, current treatment status, and breast surgery type. Similarly, patients who were married and who had higher education had better quality of life were statistically significant in the multivariate models. CONCLUSIONS Socioeconomic status is significantly associated with altered appearance distress, body image, and quality of life in Korean women with breast cancer. Patients who suffer from altered appearance distress or lower body image are much more likely to experience psychosocial, physical, and functional problems than women who do not, therefore health care providers should be aware of the changes and distresses that these breast cancer patients go through and provide specific information and psychosocial support to socioeconomically more vulnerable patients.


Psycho-oncology | 2017

Who are happy survivors? Physical, psychosocial, and spiritual factors associated with happiness of breast cancer survivors during the transition from cancer patient to survivor

Danbee Kang; Im-Ryung Kim; Eun-Kyung Choi; Jung Hee Yoon; Se-Kyung Lee; Jeong Eon Lee; Seok Jin Nam; Wonshik Han; Dong-Young Noh; Juhee Cho

Objective:The present study investigated the prevalence and severity of menopause symptoms experienced by Korean women aged 44 to 56 years and their associated factors. Methods:A cross-sectional study was performed on 2,201 women aged 44 to 56 years in health checkup centers between November 2012 and March 2013. The 29-item Menopause-Specific Quality of Life Questionnaire was used to assess vasomotor, psychosocial, physical, and sexual symptoms related to menopause. The guidelines for the classification of reproductive aging stages proposed at the Stages of Reproductive Aging Workshop were used. Multivariable linear regression analyses were performed to identify factors associated with severity of menopause symptoms. Results:Among participants, 42.6% were premenopausal, 36.7% were perimenopausal, and 20.7% were postmenopausal. Although physical symptoms were the most severe menopause symptoms experienced by premenopausal and perimenopausal women, postmenopausal women reported sexual symptoms as the most bothersome. The mean scores for each domain increased from the premenopausal period through the postmenopausal period (P for trend < 0.001). The regression model revealed that age (for vasomotor and sexual symptoms) and obesity (for vasomotor and physical symptoms) were significantly associated with severity of menopause symptoms (P < 0.05). Physically active women had fewer severe physical symptoms related to menopause than inactive women. Conclusions:Postmenopausal women experience the most severe symptoms. Obesity and physical activity are the main modifiable factors associated with symptom severity. Further studies are needed to examine the effects of physical activity promotion and weight control interventions on preventing menopause symptoms in Korean women.


Asian Pacific Journal of Cancer Prevention | 2012

Iris Nertschinskia ethanol extract differentially induces cytotoxicity in human breast cancer cells depending on AKT1/2 activity.

Jae-Sik Shin; Hyung-Gun Maeng; Seungwoo Hong; Jai-Hee Moon; Jinsun Kim; Young-Ah Suh; Eun-Sung Kim; Young Min Lee; Ye-Seul Kim; Eun-Kyung Choi; Inki Kim; Sok-Young Lee; Dong-Hyung Cho; Nam-Joo Hong; Tae-Won Kim; Dong-Hoon Jin; Wang Jae Lee

This study aims to evaluate physical, psychosocial, and spiritual factors associated with happiness in breast cancer survivors during the reentry period.


Oncotarget | 2016

Suppression of gain-of-function mutant p53 with metabolic inhibitors reduces tumor growth in vivo

Chae Lim Jung; Hyemin Mun; Se-Young Jo; Ju-Hee Oh; ChuHee Lee; Eun-Kyung Choi; Se Jin Jang; Young-Ah Suh

Recently, we reported that an ethanol extract of Iris nertschinskia induces p53-dependent apoptosis in the MCF7 human breast cancer cell line. However, the detailed mechanisms were not fully explored. Here, we demonstrate another aspect of the activity of I. nertschinskia in breast cancer cells. We compared the response to an ethanol extract of I. nertschinskia in two different human breast cancer cell lines, Hs578Tand MDA-MB231, respectively with relatively low and high AKT1/2 activity by trypan blue exclusion assay and FACS analysis. Knockdown of endogenous AKT1 or AKT2 in breast cancer cells by RNA interference determined the sensitivity to I. nertschinskia ethanol extract compared to control cells. The I. nertschinskia ethanol extract induced cell death in a manner that depended on the level of phosphorylated AKT1/2 protein and was associated with a significant increase in the sub-G1 cell population, indicative of apoptosis. Our results indicate that an ethanol extract of I. nertschinskia differentially induces cell death in breast cancer cells depending on their level of phosphorylated AKT1/2.


Oncologist | 2018

Permanent Chemotherapy‐Induced Alopecia in Patients with Breast Cancer: A 3‐Year Prospective Cohort Study

Danbee Kang; Im-Ryung Kim; Eun-Kyung Choi; Young Hyuck Im; Yeon Hee Park; Jin Seok Ahn; Jeong Eon Lee; Seok Jin Nam; Hae Kwang Lee; Ji-Hye Park; D. B. Lee; Mario E. Lacouture; Eliseo Guallar; Juhee Cho

Mutation of p53 occasionally results in a gain of function, which promotes tumor growth. We asked whether destabilizing the gain-of-function protein would kill tumor cells. Downregulation of the gene reduced cell proliferation in p53-mutant cells, but not in p53-null cells, indicating that the former depended on the mutant protein for survival. Moreover, phenformin and 2-deoxyglucose suppressed cell growth and simultaneously destabilized mutant p53. The AMPK pathway, MAPK pathway, chaperone proteins and ubiquitination all contributed to this process. Interestingly, phenformin and 2-deoxyglucose also reduced tumor growth in syngeneic mice harboring the p53 mutation. Thus, destabilizing mutant p53 protein in order to kill cells exhibiting “oncogene addiction” could be a promising strategy for combatting p53 mutant tumors.


Bone Marrow Transplantation | 2018

Satisfaction with sexual activity and sexual dysfunction in hematopoietic stem cell transplantation survivors and their partners: a couple study

Kwai Han Yoo; Danbee Kang; Im-Ryung Kim; Eun-Kyung Choi; Jin Seok Kim; Sung-Soo Yoon; Chul Hwan Lee; Silvia Park; Seok Jin Kim; Kihyun Kim; Won Seog Kim; Chul Won Jung; Hye Jin Choi; Jun Ho Jang; Juhee Cho

Chemotherapy‐induced alopecia is (CIA) considered temporary; however, some patients report persistent alopecia several years after chemotherapy. Long‐term prospective data on the incidence and impact of permanent CIA is scarce. This article reports the results of a study conducted to estimate the long‐term incidence of persistent CIA in a cohort of breast cancer patients with measurements of hair volume and density before and after chemotherapy.


BMC Cancer | 2018

A train the trainer program for healthcare professionals tasked with providing psychosocial support to breast cancer survivors

Eun-Young Park; Junghee Yoon; Eun-Kyung Choi; Im Ryung Kim; Danbee Kang; Se-Kyung Lee; Jeong Eon Lee; Seok Jin Nam; Jin Seok Ahn; Adriaan Visser; Juhee Cho

Sexual dysfunction is a common long-term complication of hematopoietic stem cell transplantation (HSCT). We assessed the extent to which HSCT survivors and their partners agree on the importance of and satisfaction with sexual activity and causes of sexual dysfunction, using a cross-sectional survey. Ratings of the importance of sexual activity were significantly higher in survivors than those of partners (2.57 vs. 2.14, P < 0.01). More survivors (48.4%) tried to discuss about sexuality with their partners than partners themselves (23.1%, P < 0.01). Male survivors were more likely to be sexually active than female survivors (odds ratio [OR] 5.04, 95% CI 1.85, 13.74). While 23.3 and 38% of male survivors and partners reported “rejection of partners” as a cause of sexual dysfunction, only 13.3% and none of female partners and survivors pointed this as a cause of sexual dysfunction respectively. There was poor concordance between survivors and partners in attitudes toward sexuality, satisfaction with sexual activity, and causes of sexual dysfunction. Couples who considered adequate sexual activity important were more likely to be sexually active than those who did not (OR 5.53, 95% CI 1.18, 25.89). Our study highlights the need for providing information and counselling about sexuality both to survivors and partners.


Asian Pacific Journal of Cancer Prevention | 2012

Perception, Attitudes, Preparedness and Experience of Chemotherapy-Induced Alopecia among Breast Cancer Patients: a Qualitative Study

Im-Ryung Kim; Juhee Cho; Eun-Kyung Choi; In Gak Kwon; Young-Hee Sung; Jeong-Eon Lee; Seok-Jin Nam; Jung-Hyun Yang

BackgroundThe objective of this study is to develop, implement, and evaluate a training program for healthcare providers to improve ability to provide psychosocial support to breast cancer survivors in Korea.MethodsBased on a needs assessment survey and in-depth interviews with breast cancer survivors, a multidisciplinary team developed two-day intensive training program as well as education materials and counseling notes. Participants’ overall satisfaction was evaluated after the training.ResultsThe training program included a total of 16 lectures held over the course of seven sessions. Forty-one nurses and 3 social workers participated in the training program. Mean age was 37.5(± 6.4) years, and on average, they had 11.1 (± 5.6) years of experience. Participants’ overall satisfaction was good as following: program contents (4.04), trainee guidebook (3.82), location and environment (4.10), and program organization (4.19). Among the participants, 31 (70.4%) received certification after submitting real consultation cases after the training.ConclusionTwo day intensive training can provide a comprehensive and coordinated education to healthcare professionals for implementing survivorship care with an emphasis on psychosocial support. Furthermore, the program should resume as a periodic continuing education course for healthcare providers. Similar education for graduate students in oncology nursing would be beneficial.


Annals of Oncology | 2014

Development and validation of Chemotherapy-induced Alopecia Distress Scale (CADS) for breast cancer patients

Juhee Cho; Eun-Kyung Choi; Im-Ryung Kim; Young-Hyuck Im; Yulri Park; Sung-Yul Lee; Jeong-Eon Lee; Jung-Hyun Yang; Sj Nam

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Juhee Cho

Sungkyunkwan University

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Danbee Kang

Sungkyunkwan University

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J. Kim

University of Ulsan

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In Gak Kwon

Sungkyunkwan University

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