Wooyoung Jeong

article

Bifunctional role of ephrin A1‐Eph system in stimulating cell proliferation and protecting cells from cell death through the attenuation of ER stress and inflammatory responses in bovine mammary epithelial cells

Minkyung Kang, Wooyoung Jeong, Hyocheol Bae, Whasun Lim, more

Journal of Cellular Physiology > 233 > 3 > 2560 - 2571

Structural and functional development of the mammary gland is constant in the mammary gland life cycle. Eph receptors and their ligands, ephrins, control events through cell‐to‐cell interactions during embryonic development, and adult tissue homeostasis; however, little information on participation of ephrin A1, a representative ligand of the Eph receptor, in the development and function of normal...

article

Differential expression and functional roles of chemokine (C-C motif) ligand 23 and its receptor chemokine (C-C motif) receptor type 1 in the uterine endometrium during early pregnancy in pigs

Wooyoung Jeong, Hyocheol Bae, Whasun Lim, Fuller W. Bazer, more

Developmental & Comparative Immunology > 2017 > 76 > C > 316-325

Many chemokines expressed by cells of the uterine endometrium of mammals are involved in cell-cell interactions. However, little is known about expression and functional roles of chemokine (C-C motif) ligand 23 (CCL23) in the uterine endometrium. Results of this study demonstrated that CCL23 and its receptor, chemokine (C-C motif) receptor type 1 (CCR1), are up-regulated in porcine endometria during...

article

Stem cell factor-induced AKT cell signaling pathway: Effects on porcine trophectoderm and uterine luminal epithelial cells

Wooyoung Jeong, Seoungo Jung, Fuller W. Bazer, Jinyoung Kim

General and Comparative Endocrinology > 2017 > 250 > C > 113-121

Stem cell factor (SCF) is a multipotent growth factor that elicits diverse biological actions in various aspects of embryogenesis and animal development. The aim of the present study was to assess SCF-induced intracellular signaling and cellular activities in porcine trophectoderm (pTr) and uterine luminal epithelial (pLE) cells which are well known as useful to elucidate developmental events. SCF...

article

The impact of production of extended-spectrum β-lactamases on the 28-day mortality rate of patients with Proteus mirabilis bacteremia in Korea

Jin Young Ahn, Hea Won Ann, Yongduk Jeon, Mi Young Ahn, more

BMC Infectious Diseases > 2017 > 17 > 1 > 1-10

Background The incidence of Proteus mirabilis antimicrobial resistance, especially that mediated by extended-spectrum β-lactamases (ESBLs), has increased. We investigated the impact of ESBL production on the mortality of patients with P. mirabilis bacteremia in Korea. Methods Patients diagnosed with P. mirabilis bacteremia between November 2005 and December 2013 at a 2000-bed tertiary care center...

chapter

Development of stability enhancement algorithm for adaptive DOB

Jae-seong Lee, Inho Kim, Wooyoung Jeong, Sungwon Park, more

2016 Asia-Pacific Magnetic Recording Conference Digest (APMRC) > 1 - 2

2016 Asia-Pacific Magnetic Recording Conference (APMRC)

The original ADOB is able to cope with disturbances in various frequencies, but it has a stability issue. In order to solve it, a dead-zone algorithm is suggested, which led to a performance degradation in disturbance rejection. Accordingly, We are suggesting a new design for a Q-filter in adaptive disturbance observer (ADOB). This advanced Q-filter makes the structure of the entire system similar...

article

Delphinidin suppresses proliferation and migration of human ovarian clear cell carcinoma cells through blocking AKT and ERK1/2 MAPK signaling pathways

Whasun Lim, Wooyoung Jeong, Gwonhwa Song

Molecular and Cellular Endocrinology > 2016 > 422 > C > 172-181

Delphinidin possesses the highest chemopreventive activity among the six components of anthocyanidin that are pigments from fruits and vegetables giving them blue, purple or red colors. Although delphinidin has anti-carcinogenic and apoptotic effects in various cancers, little is known about its functional roles in ovarian clear cell carcinoma (CCC) which shows poor prognosis with resistance to chemotherapy...

article

Epidermal growth factor: Porcine uterine luminal epithelial cell migratory signal during the peri-implantation period of pregnancy

Wooyoung Jeong, Seoungo Jung, Fuller W. Bazer, Gwonhwa Song, more

Molecular and Cellular Endocrinology > 2016 > 420 > Complete > 66-74

The majority of early conceptus mortality in pregnancy occurs during the peri-implantation period, suggesting that this period is important for conceptus viability and the establishment of pregnancy. Successful establishment of pregnancy in all mammalian species depends on the orchestrated molecular events that transpire at the conceptus-uterine interface during the peri-implantation period of pregnancy...

article

Expression of hypoxia-inducible factor-1 by trophectoderm cells in response to hypoxia and epidermal growth factor

Wooyoung Jeong, Fuller W. Bazer, Gwonhwa Song, Jinyoung Kim

Biochemical and Biophysical Research Communications > 2016 > 469 > 2 > 176-182

The low oxygen environment in the uterine environment requires pre-implantation embryos to adapt to oxygen deficiency. Hypoxia-inducible factor (HIF)-1 is a master regulator whereby cells adapt to changes in oxygen concentrations. In addition to hypoxic conditions, non-hypoxic stimuli such as growth factors also activate expression of HIF-1. In this study, the mechanisms underlying low oxygen-dependent...

article

Fibroblast growth factor 4-induced migration of porcine trophectoderm cells is mediated via the AKT cell signaling pathway

Wooyoung Jeong, Jieun Lee, Fuller W. Bazer, Gwonhwa Song, more

Molecular and Cellular Endocrinology > 2016 > 419 > Complete > 208-216

During early pregnancy, a well-coordinated communication network between the conceptus and maternal uterus is especially crucial in pigs in which there is a protracted pre-attachment phase prior to implantation. This network is regulated by an astonishing number of molecules such as growth factors. Fibroblast growth factor 4 (FGF4) is a multipotent growth factor that elicits diverse biological actions...

article

Stimulatory effects of interleukin-1 beta on development of porcine uterine epithelial cell are mediated by activation of the ERK1/2 MAPK cell signaling cascade

Wooyoung Jeong, Jinhyeon Kim, Fuller W. Bazer, Gwonhwa Song, more

Molecular and Cellular Endocrinology > 2016 > 419 > Complete > 225-234

Successful establishment of pregnancy depends on timely changes in the conceptus (embryo and associated extra-embryonic membranes) and uterine endometrium orchestrated by molecules from both the conceptus and uterus. Interleukin-1 beta (IL-1β) is an important mediator of that communication regulating development of the peri-implantation conceptus and opening the window of implantation during early...

article

An Adaptive Disturbance Rejection Method With Stability Enhancement Using Adjustable Dead Zone for Hard Disk Drives

Jae-Seong Lee, Sung-Yong Lim, Inho Kim, Wooyoung Jeong, more

IEEE Transactions on Magnetics > 2017 > 53 > 3-1 > 1 - 9

We report a stability enhancement algorithm for adaptive disturbance rejection with applications in hard disk drives. The adaptive disturbance rejection algorithm can compensate for disturbances in real time; however, to deploy the method in the field, difficulties in maintaining the stability of the servo loop in response to variable disturbances must be resolved. To address these issues, we apply...

article

Mitogen activated protein kinase pathway-dependent effects of platelet-derived growth factor on migration of trophectoderm cells

Wooyoung Jeong, Gwonhwa Song, Jinyoung Kim

Biochemical and Biophysical Research Communications > 2015 > 463 > 4 > 575-581

Successful development of the conceptus and implantation requires an intimate trophic connection between maternal uterus and conceptus mediated by local regulators including growth factors. Platelet-derived growth factor (PDGF) acts as a chemotactic factor for a variety of cell types. Current studies have determined that PDGF participates in rapid growth and development of cleavage stage embryos,...

article

Dietary cholesterol affects expression of prostatic acid phosphatase in reproductive organs of male rats

Whasun Lim, Hyocheol Bae, Ji Yang Sohn, Wooyoung Jeong, more

Biochemical and Biophysical Research Communications > 2015 > 456 > 1 > 421-427

Cholesterol homeostasis is strictly maintained to prevent abnormal biological processes that arise from excessive accumulation of cholesterol in tissues. Although dyslipidemia causes reproductive dysfunction and endocrine disruption in male rats, regulatory factors and mechanisms have not been clearly demonstrated. Therefore, the present study investigated the histology of male reproductive organs...

article

Intelligence control system compensation by DNA coding method in holographic data storage system

Jang Hyun Kim, Hyunseok Yang, Wooyoung Jeong

Microsystem Technologies > 2015 > 21 > 12 > 2777-2787

A holographic data storage system is one of the next-generation information-storage devices. Many researchers study a holographic data storage system. But the holographic data storage system, there are a lot of difficulties to study. One of them, tilt servo control in holographic data storage system is very difficult. In this paper, we proposed intelligent compensator for given problem that is tilt...

article

Expression and regulation of avian cathepsin L in the oviduct during molting

Seung-Min Bae, Whasun Lim, Wooyoung Jeong, Jinyoung Kim, more

General and Comparative Endocrinology > 2014 > 204 > Complete > 88-94

Cathepsins (CTSs) are peptidases that have biological roles in degrading extracellular matrix, catabolism of intracellular proteins, and processing of pro-hormones. Of these, cathepsin L (CTSL) is closely associated with morphological changes in reproductive organs required for proper function in mammals, including humans and mice, but little is known about CTSL in avian species. In the present study,...

article

Insulin-like growth factor I induces proliferation and migration of porcine trophectoderm cells through multiple cell signaling pathways, including protooncogenic protein kinase 1 and mitogen-activated protein kinase

Wooyoung Jeong, Gwonhwa Song, Fuller W. Bazer, Jinyoung Kim

Molecular and Cellular Endocrinology > 2014 > 384 > 1-2 > 175-184

During early pregnancy, the developing conceptus is dependent upon a wide range of growth factors and nutrients that are secreted by or transported by uterine epithelia into the uterus at the maternal–conceptus interface for successful implantation and placentation. Among these factors, insulin-like growth factor-I (IGF-I) is known to play an important role in development of the early embryo and uterine...

article

Hormonal regulation of beta-catenin during development of the avian oviduct and its expression in epithelial cell-derived ovarian carcinogenesis

Seung-Min Bae, Whasun Lim, Wooyoung Jeong, Jin-Young Lee, more

Molecular and Cellular Endocrinology > 2014 > 382 > 1 > 46-54

Beta-catenin (CTNNB1) is a dual function molecule that acts as a key component of the cadherin complex and WNT signaling pathway. It has a crucial role in embryogenesis, tumorigenesis, angiogenesis and progression of metastasis. Recently, it has been suggested that the CTNNB1 complex is a major regulator of development of the mouse oviduct and uterus. However, little is known about the CTNNB1 gene...

article

An intelligent distortion-detection algorithm for restoring data in a holographic data storage system

Wooyoung Jeong, Jang Hyun Kim, Sung-Yong Lim, Jae-Seong Lee, more

Microsystem Technologies > 2014 > 20 > 8-9 > 1571-1578

In a holographic data storage system (HDSS), misalignment of the optical components causes data distortion, including barrel, pincushion, and rotation distortion. Because holographic data storage systems are very sensitive, misalignment inevitably results in data distortion. It is important to acquire accurate distortion-free data from a HDSS system. This paper proposes an intelligent distortion-detection...

article

Generation of fuzzy rules and learning algorithm for servo control in holographic data storage system

Jang Hyun Kim, Hyunseok Yang, Wooyoung Jeong

Microsystem Technologies > 2014 > 20 > 8-9 > 1613-1621

Today many media of information storage device are formed as disks. Hence, next generation removable data storage media are shaped as disk types too. The holographic data storage system also uses a disk type photopolymer media. And then, holographic data storage system is most advanced optical memory system. Tracking servo and tilt servo control are very important research in holographic data storage...

article

Epidermal growth factor stimulates proliferation and migration of porcine trophectoderm cells through protooncogenic protein kinase 1 and extracellular-signal-regulated kinases 1/2 mitogen-activated protein kinase signal transduction cascades during early pregnancy

Wooyoung Jeong, Jinyoung Kim, Fuller W. Bazer, Gwonhwa Song

Molecular and Cellular Endocrinology > 2013 > 381 > 1-2 > 302-311

For successful implantation and establishment of early epitheliochorial placentation, porcine conceptuses require histotroph, including nutrients and growth factors, secreted by or transported into the lumen of the uterus. Epidermal growth factor (EGF), an essential component of histotroph, is known to have potential growth-promoting activities on the conceptus and uterine endometrium. However, little...

INFONA - science communication portal

Search results for: Wooyoung Jeong

Bifunctional role of ephrin A1‐Eph system in stimulating cell proliferation and protecting cells from cell death through the attenuation of ER stress and inflammatory responses in bovine mammary epithelial cells

Differential expression and functional roles of chemokine (C-C motif) ligand 23 and its receptor chemokine (C-C motif) receptor type 1 in the uterine endometrium during early pregnancy in pigs

Stem cell factor-induced AKT cell signaling pathway: Effects on porcine trophectoderm and uterine luminal epithelial cells

The impact of production of extended-spectrum β-lactamases on the 28-day mortality rate of patients with Proteus mirabilis bacteremia in Korea

Development of stability enhancement algorithm for adaptive DOB

Delphinidin suppresses proliferation and migration of human ovarian clear cell carcinoma cells through blocking AKT and ERK1/2 MAPK signaling pathways

Epidermal growth factor: Porcine uterine luminal epithelial cell migratory signal during the peri-implantation period of pregnancy

Expression of hypoxia-inducible factor-1 by trophectoderm cells in response to hypoxia and epidermal growth factor

Fibroblast growth factor 4-induced migration of porcine trophectoderm cells is mediated via the AKT cell signaling pathway

Stimulatory effects of interleukin-1 beta on development of porcine uterine epithelial cell are mediated by activation of the ERK1/2 MAPK cell signaling cascade

An Adaptive Disturbance Rejection Method With Stability Enhancement Using Adjustable Dead Zone for Hard Disk Drives

Mitogen activated protein kinase pathway-dependent effects of platelet-derived growth factor on migration of trophectoderm cells

Dietary cholesterol affects expression of prostatic acid phosphatase in reproductive organs of male rats

Intelligence control system compensation by DNA coding method in holographic data storage system

Expression and regulation of avian cathepsin L in the oviduct during molting

Insulin-like growth factor I induces proliferation and migration of porcine trophectoderm cells through multiple cell signaling pathways, including protooncogenic protein kinase 1 and mitogen-activated protein kinase

Hormonal regulation of beta-catenin during development of the avian oviduct and its expression in epithelial cell-derived ovarian carcinogenesis

An intelligent distortion-detection algorithm for restoring data in a holographic data storage system

Generation of fuzzy rules and learning algorithm for servo control in holographic data storage system

Epidermal growth factor stimulates proliferation and migration of porcine trophectoderm cells through protooncogenic protein kinase 1 and extracellular-signal-regulated kinases 1/2 mitogen-activated protein kinase signal transduction cascades during early pregnancy

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