List of works by Sei Hyun Ahn

A Mobile Technology for Collecting Patient-Reported Physical Activity and Distress Outcomes: Cross-Sectional Cohort Study

scientific article published on 04 May 2020

A common coding variant in CASP8 is associated with breast cancer risk

article

A genome-wide association study identifies a breast cancer risk variant in ERBB4 at 2q34: results from the Seoul Breast Cancer Study

scientific journal article

An Assessment of Physical Activity Data Collected via a Smartphone App and a Smart Band in Breast Cancer Survivors: Observational Study

scientific article published on 06 September 2019

Analysis of the serial circulating tumor cell count during neoadjuvant chemotherapy in breast cancer patients

scientific article published on 15 October 2020

Association between Ultrasound Features and the 21-Gene Recurrence Score Assays in Patients with Oestrogen Receptor-Positive, HER2-Negative, Invasive Breast Cancer.

scientific article

Association between chronological change of reproductive factors and breast cancer risk defined by hormone receptor status: results from the Seoul Breast Cancer Study

scientific article

Association of paternal age at birth and the risk of breast cancer in offspring: a case control study

scientific article

Associations of common variants at 1p11.2 and 14q24.1 (RAD51L1) with breast cancer risk and heterogeneity by tumor subtype: findings from the Breast Cancer Association Consortium

scientific article published on 18 August 2011

BRCA1 and BRCA2 germline mutations in Korean breast cancer patients at high risk of carrying mutations

scientific article published on 07 February 2006

Breast cancer risk and 6q22.33: combined results from Breast Cancer Association Consortium and Consortium of Investigators on Modifiers of BRCA1/2

scientific article

CASP8 polymorphisms, estrogen and progesterone receptor status, and breast cancer risk

scientific article published on 17 October 2007

Change in Estradiol Levels among Premenopausal Patients with Breast Cancer Treated Using Leuprolide Acetate 11.25 Milligrams 3-Month Depot and Tamoxifen

scientific article published on 26 October 2020

Combined effect of GSTM1, GSTT1, and COMT genotypes in individual breast cancer risk

scientific article published in November 2004

Combined genetic effect of CDK7 and ESR1 polymorphisms on breast cancer

scientific article

Common genetic polymorphisms of microRNA biogenesis pathway genes and breast cancer survival

scientific article

Common genetic polymorphisms of microRNA biogenesis pathway genes and risk of breast cancer: a case-control study in Korea.

scientific article published on 16 July 2011

Common genetic variants in the microRNA biogenesis pathway are not associated with breast cancer risk in Asian women

scientific article

Confirmation of 5p12 as a susceptibility locus for progesterone-receptor-positive, lower grade breast cancer

scientific article

Cost-effectiveness analysis of 5 years of postoperative adjuvant tamoxifen therapy for Korean women with breast cancer: retrospective cohort study of the Korean breast cancer society database

scientific article

Cytochrome P450 1A1 (CYP1A1) polymorphisms and breast cancer risk in Korean women.

scientific article published in June 2007

Depression Screening Using Daily Mental-Health Ratings from a Smartphone Application for Breast Cancer Patients

scientific article

Determining the main risk factors and high-risk groups of breast cancer using a predictive model for breast cancer risk assessment in South Korea

scientific article published in September 2004

Development and validation of a next-generation sequencing-based multigene assay to predict the prognosis of estrogen receptor-positive, HER2-negative breast cancer

scientific article published on 07 October 2020

Dose-dependent protective effect of breast-feeding against breast cancer among ever-lactated women in Korea.

scientific article published in April 2007

Effect of standard low-dose anthracycline chemotherapy on late congestive heart failure in breast cancer survivors aged between 50 and 59 at diagnosis: A nationwide study

scientific article published on 31 July 2020

Erratum to: Population attributable risks of modifiable reproductive factors for breast and ovarian cancers in Korea

scientific article published on 4 March 2016

Erratum: Corrigendum: A common coding variant in CASP8 is associated with breast cancer risk

scholarly article published in Nature Genetics

FGFR2 variants and breast cancer risk: fine-scale mapping using African American studies and analysis of chromatin conformation

scientific article published on 17 February 2009

Fine scale mapping of the breast cancer 16q12 locus

scientific article

Five polymorphisms and breast cancer risk: results from the Breast Cancer Association Consortium

scientific article

Genetic Predisposition of Polymorphisms in HMGB1-Related Genes to Breast Cancer Prognosis in Korean Women

scientific article published on 24 March 2017

Genetic polymorphism of XRCC3 Thr241Met and breast cancer risk: case-control study in Korean women and meta-analysis of 12 studies.

scientific article published on 25 October 2006

Genetic polymorphisms of NOS3 are associated with the risk of invasive breast cancer with lymph node involvement

Genetic polymorphisms of SULT1A1 and SULT1E1 and the risk and survival of breast cancer.

scientific article

Genetic polymorphisms of TGF-beta1 & TNF-beta and breast cancer risk.

scientific article

Genetic polymorphisms of ataxia telangiectasia mutated and breast cancer risk

scientific article published in April 2005

Genetic polymorphisms of eNOS, hormone receptor status, and survival of breast cancer.

scientific article

Genetic polymorphisms of interleukin-1 beta (IL-1B) and IL-1 receptor antagonist (IL-1RN) and breast cancer risk in Korean women.

scientific article

Genetic polymorphisms of selected DNA repair genes, estrogen and progesterone receptor status, and breast cancer risk

scientific article

Genome-wide association analysis in East Asians identifies breast cancer susceptibility loci at 1q32.1, 5q14.3 and 15q26.1.

scientific article

Genome-wide association study identifies novel breast cancer susceptibility loci

scientific article published on 28 June 2007

Genome-wide association study in east Asians identifies novel susceptibility loci for breast cancer

scientific journal article

Heterogeneity of epidemiological factors by breast tumor subtypes in Korean women: A case-case study

scholarly article by Nan Song et al published 10 January 2014 in International Journal of Cancer

Is asymptomatic surveillance beneficial after standard treatment? A 10-year survival analysis of recurrent BC patients by detection method of recurrence

scientific article published on 17 September 2019

Korean risk assessment model for breast cancer risk prediction

scientific article

MRI-based 3D-printed surgical guides for breast cancer patients who received neoadjuvant chemotherapy

scientific article published on 19 August 2019

Methylenetetrahydrofolate reductase polymorphism, diet, and breast cancer in Korean women

scientific article

New breast cancer risk variant discovered at 10q25 in East Asian women

scientific article published on 15 May 2013

Newly discovered breast cancer susceptibility loci on 3p24 and 17q23.2.

scientific article published on 29 March 2009

Outcome following sentinel lymph node biopsy-guided decisions in breast cancer patients with conversion from positive to negative axillary lymph nodes after neoadjuvant chemotherapy

scientific article

Phase II randomized trial of neoadjuvant metformin plus letrozole versus placebo plus letrozole for estrogen receptor positive postmenopausal breast cancer (METEOR)

scientific article

Population attributable risks of modifiable reproductive factors for breast and ovarian cancers in Korea

scientific article published on 6 January 2016

Prediction of Late Breast Cancer-Specific Mortality in Recurrence-Free Breast Cancer Survivors Treated for Five Years with Tamoxifen

scientific article published on 01 August 2019

Prediction of breast cancer survival using clinical and genetic markers by tumor subtypes

scientific article

Prescription Refill Gap of Endocrine Treatment from Electronic Medical Records as a Prognostic Factor in Breast Cancer Patients

scientific article published on 11 March 2019

Prognosis of breast cancer is associated with one-carbon metabolism related nutrients among Korean women

scientific article

Rare variant of hypoxia-inducible factor-1alpha (HIF-1A) and breast cancer risk in Korean women.

scientific article

Recent trends and patterns in breast cancer incidence among Eastern and Southeastern Asian women

scientific article published on 18 June 2010

Recurrence of Breast Carcinoma as Paget's Disease of the Skin along the Core Needle Biopsy Tract after Skin-Sparing Mastectomy

scientific article published on 17 February 2020

Role of alcohol and genetic polymorphisms of CYP2E1 and ALDH2 in breast cancer development

scientific article

Salivary Duct Cancer Metastasis Mimicking Primary Breast Cancer: A Case Report and Review

scientific article published on 30 September 2019

Secular trends in breast cancer mortality in five East Asian populations: Hong Kong, Japan, Korea, Singapore and Taiwan.

scientific article published on 31 January 2010

Serum adiponectin but not leptin at diagnosis as a predictor of breast cancer survival

Serum high-density lipoprotein cholesterol and breast cancer risk by menopausal status, body mass index, and hormonal receptor in Korea

scientific article published on 3 February 2009

The Impact of Androgen Receptor and Histone Deacetylase 1 Expression on the Prognosis of Ductal Carcinoma <i>In Situ</i>

scientific article published on 24 December 2020

The association between the preoperative serum levels of lipocalin-2 and matrix metalloproteinase-9 (MMP-9) and prognosis of breast cancer

scientific article

The prevalence of BRCA mutations among familial breast cancer patients in Korea: results of the Korean Hereditary Breast Cancer study

scientific article published on March 2013

Tumor subtype-specific associations of hormone-related reproductive factors on breast cancer survival

scientific article

Young age is associated with ipsilateral breast tumor recurrence after breast conserving surgery and radiation therapy in patients with HER2-positive/ER-negative subtype

scientific article published on 19 August 2011

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