Publications by authors named "Jung Eun Ko"

Objectives: The aims of this study were to identify a community typology in older Korean Americans and to examine how the typology is associated with feelings of loneliness and mental distress. We hypothesized that distinct community groups would be identified and that they would be differentially associated with mental health and background characteristics.

Method: Data were drawn from a survey with older Korean Americans aged 60 and older, collected during 2017-2018 in diverse locations ( = 2138).

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Objectives: The study examined the mediating role of fall-related self-efficacy in the association between falls and mental health among older Korean Americans living in subsidized senior housing in the greater Los Angeles area. We focused on serious fall incidents (i.e.

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International migrants are one group that is vulnerable to discrimination and mental health problems. This study examined the experience of perceived discrimination and its impact on depressive symptoms among women who migrated in the specific context of marriage. Using social constructionism and the stress appraisal model, this study conceptualized perceived discrimination as a potential source of stress and hypothesized that it would negatively impact the mental health of migrant women.

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Globally, there have been increasing numbers of migrant women; these women are at an increased risk for depressive symptoms. The purpose of this study was to examine the associations among acculturation, acculturative stress and depressive symptoms in Vietnamese women who migrated to South Korea through marriages. We hypothesized that acculturative stress would serve as a mediator in the relationship between acculturation and depressive symptoms.

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Background & Aims: Intrahepatic cholangiocarcinoma (iCCA) is a heterogeneous entity with diverse aetiologies, morphologies and clinical outcomes. Recently, histopathological distinction of cholangiolocellular differentiation (CD) of iCCA has been suggested. However, its genome-wide molecular features and clinical significance remain unclear.

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Although religious leaders in ethnic minority communities are often the first point of contact for mental health needs, little is known about their mental health literacy. The aim of the current study was to explore the knowledge and beliefs about depression held by Korean American clergy, using a qualitative approach. The Gateway Provider Model (GPM) and Jorm's conceptualisation of mental health literacy served as a framework for the enquiry.

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Racial/ethnic minorities tend to underutilize hospice services. Guided by Andersen behavioral health model, the purpose of this study was to explore the predictors of the willingness to use hospice services in racially/ethnically diverse older men and women. Data were drawn from the Survey of Older Floridians: 504 non-Hispanic whites, 360 African Americans, 328 Cuban Americans, and 241 non-Cuban Hispanics.

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The objectives of this study were (1) to develop an empirical typology of physical health risks in racially and ethnically diverse older adults and (2) to examine whether the impact of social resources on depressive symptoms differs across the identified health risk groups (low, moderate, and high risks). The data source was the Survey of Older Floridians, a statewide survey of older adults aged 65 and older (n = 1,432). Latent profile analysis with multiple indicators of physical health (chronic conditions, functional disability, and self-rated health) was used to identify three health risk groups (low, moderate, and high risks).

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Tumor behavior is affected by the tumor microenvironment, composed of cancer-associated fibroblasts (CAFs). Meanwhile, hepatocellular carcinomas (HCC) with fibrous stroma reportedly exhibit aggressive behavior suggestive of tumor-stroma interaction. However, evidence of the crosstalk remains unclear.

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Background: Telomere dysfunction is important in carcinogenesis, and recently, stathmin and elongation factor 1α (EF1α) were reported to be up-regulated in telomere dysfunctional mice.

Methods: In the present study, the expression levels of stathmin and EF1α in relation to telomere length, telomere dysfunction-induced foci (TIF), γ-H2AX, and p21WAF1/CIP1 expression were assessed in specimens of hepatitis B virus (HBV)-related multistep hepatocarcinogenesis, including 13 liver cirrhosis specimens, 14 low-grade dysplastic nodules (DN), 17 high-grade DNs, and 14 hepatocellular carcinomas (HCC). Five normal liver specimens were used as controls.

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Building upon the sizable literature on individual-level predictors of self-rated health, this study examined the impact of neighborhood characteristics, using older adult samples of four racial/ethnic groups. The considered neighborhood characteristics include (a) the proportion of individuals age 65 and older, (b) the proportion of individuals below poverty, and (c) the proportion of individuals from the same racial/ethnic background in the Census-block group. The samples were drawn from the 2004-2005 Survey of Older Floridians, which includes Whites (n = 488), Blacks (n = 345), Cubans (n = 319), and non-Cuban Latinos (n = 230).

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Health psychology has long been involved in studies of factors that lead to more effective caregiving. Drawing on the theory of distributive justice, the underlying hypothesis of this paper was that perceptions of what a demented parent was like, prior to becoming ill, influence an adult child caregiver's provision of care, as well as the caregiver's own well-being. A secondary question dealt with the nature of retrospective ratings by caregiver informants.

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Objectives: In the context of social convoy theory, the purposes of the study were (a) to identify an empirical typology of the social networks evident in older Korean immigrants and (b) to examine its association with self-rated health and depressive symptoms.

Method: The sample consisted of 1,092 community-dwelling older Korean immigrants in Florida and New York. Latent class analyses were conducted to identify the optimal social network typology based on 8 indicators of interpersonal relationships and activities.

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Objective: Clusterin expression has been associated with various malignancies. Endometrial carcinoma is divided into endometrioid and papillary serous type carcinoma according to the histological characteristics and regarding to the unopposed estrogenic stimulation. In this study, we investigated the expression profiles of clusterin according to the histological types and the effect of estrogen stimulation on its expression in endometrial carcinoma.

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Background/aims: This study was aimed to analyze the clinical characteristics of patients who developed constipation after radical hysterectomy or delivery and to investigate the results of biofeedback therapy for these patients.

Methods: Thirty-five chronic constipation patients with radical hysterectomy (radical hysterectomy group), 27 chronic constipation patients with delivery (delivery group) and 27 constipation patients with no history of hysterectomy or delivery (control group) were included. Clinical characteristics of these patients, including the results of biofeedback therapy, were analyzed.

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The developmental stage-specific regulation of V(D)J recombination, a gene rearrangement process of antigen receptor gene segments, is tightly controlled in cells. Here we screened proteins uniquely or differentially expressed among three developmentally distinguishable B cells (pro-B, pre-B and mature B cells) using two-dimensional gel electrophoresis and mass spectrometry. Chromatin assembly factor 1 was uniquely expressed in pro-B cells.

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The V(D)J recombinase, a complex of RAG1 and RAG2, carries out a gene rearrangement process that is required for the achievement of diverse antigen receptor repertoires during the early developmental stage of lymphocytes. It recognizes a specific site spanning the coding DNA region of antigen receptor genes and produces double-stranded DNA breaks at the board between coding and signal sequences. Two broken DNA ends are joined by a double-stranded break repair system.

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Background/aims: Biofeedback therapy has been widely used for the treatment of constipated patients. However, there are only a few reports about the clinical factors that can predict the effectiveness of biofeedback therapy. The aim of this study was to evaluate prognostic factors before the initiation of biofeedback treatment in constipated patients.

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