1.A Review of Molecular Markers of Mature Odontoblasts and Their Role in Dentin Repair and Regeneration Research
Yoon Seon LEE ; Joo-Cheol PARK ; Won-Jun SON ; Deog-Gyu SEO
Journal of Korean Dental Science 2024;17(4):163-173
The terminal differentiation of odontoblasts is characterized by specific molecular markers that reflect their functional maturity.This review explores both canonical markers, such as Dentin Sialophosphoprotein (DSPP), Dentin Matrix Protein 1 (DMP1), Nestin, and Alkaline Phosphatase (ALP), and emerging markers like MAP1B, MAP Tau, and β-catenin. These markers offer valuable insights into the regulation of odontoblast differentiation and the maintenance of their polarized, dentin-secreting phenotype. The review further discusses the experimental applications of these markers in in vitro studies, dental tissue engineering, regenerative endodontics, and drug discovery. Canonical markers are utilized to confirm the maturity of odontoblasts and evaluate bioengineered tissues, while emerging markers reveal potential new targets for enhancing dentin repair and regeneration. Additionally, the role of signaling pathways, including Wnt5a, BMP, and integrin-mediated pathways, in supporting the structural and functional characteristics of mature odontoblasts is discussed. By consolidating current knowledge on these markers and pathways, this review aims to advance the understanding of odontoblast biology and contribute to the development of innovative strategies for dental tissue engineering and regenerative therapies.
2.A Review of Molecular Markers of Mature Odontoblasts and Their Role in Dentin Repair and Regeneration Research
Yoon Seon LEE ; Joo-Cheol PARK ; Won-Jun SON ; Deog-Gyu SEO
Journal of Korean Dental Science 2024;17(4):163-173
The terminal differentiation of odontoblasts is characterized by specific molecular markers that reflect their functional maturity.This review explores both canonical markers, such as Dentin Sialophosphoprotein (DSPP), Dentin Matrix Protein 1 (DMP1), Nestin, and Alkaline Phosphatase (ALP), and emerging markers like MAP1B, MAP Tau, and β-catenin. These markers offer valuable insights into the regulation of odontoblast differentiation and the maintenance of their polarized, dentin-secreting phenotype. The review further discusses the experimental applications of these markers in in vitro studies, dental tissue engineering, regenerative endodontics, and drug discovery. Canonical markers are utilized to confirm the maturity of odontoblasts and evaluate bioengineered tissues, while emerging markers reveal potential new targets for enhancing dentin repair and regeneration. Additionally, the role of signaling pathways, including Wnt5a, BMP, and integrin-mediated pathways, in supporting the structural and functional characteristics of mature odontoblasts is discussed. By consolidating current knowledge on these markers and pathways, this review aims to advance the understanding of odontoblast biology and contribute to the development of innovative strategies for dental tissue engineering and regenerative therapies.
3.Ultrasonographic features of normal parathyroid glands confirmed during thyroid surgery in adult patients
Seong Ju KIM ; Wooyul PAIK ; Jong Cheol LEE ; Yong Jin SONG ; Kwanghyun YOON ; Byeong-Joo NOH ; Dong Gyu NA
Ultrasonography 2024;43(5):364-375
Purpose:
This study was performed to examine the ultrasonography (US) features of normal parathyroid glands (PTGs) that were identified on preoperative US and subsequently confirmed during thyroid surgery.
Methods:
This retrospective study included a consecutive sample of 161 patients (mean±standard deviation age, 56±14 years; 128 women) with 294 normal PTGs identified on preoperative US PTG mapping and confirmed during thyroidectomy. A presumed normal PTG on US was defined as a small, round to oval, hyperechoic structure in the central neck. These presumed normal PTGs, as identified on preoperative US, were mapped onto thyroid computed tomography images and diagrams of the thyroid gland and neck. During the preoperative real-time US examinations, the location, size, shape, echogenicity, echotexture, and intraglandular vascular flow of the identified presumed PTGs were assessed. These characteristics were compared between superior and inferior PTGs using the generalized estimating equation method.
Results:
The typical US features of homogeneous hyperechogenicity without intraglandular vascular flow were observed in 267 (90.8%) normal PTGs, while atypical features, including isoechogenicity (1.0%), heterogeneous echotexture with focal hypoechogenicity (5.8%), and intraglandular vascular flow (3.7%), were noted in 27 (9.2%). Inferior PTGs were more frequently identified in posterolateral (36.1% vs. 5.3%) and thyroid pole locations (29.9% vs. 5.3%), and less frequently in posteromedial locations (29.2% vs. 88.0%), compared to superior PTGs (P<0.001 for each comparison).
Conclusion
Most normal PTGs displayed the typical US features of homogeneous hyperechogenicity without intraglandular vascular flow. However, in rare cases, normal PTGs exhibited atypical features, including isoechogenicity, heterogeneous echotexture with focal hypoechogenicity, and intraglandular vascular flow.
4.Ultrasonographic features of normal parathyroid glands confirmed during thyroid surgery in adult patients
Seong Ju KIM ; Wooyul PAIK ; Jong Cheol LEE ; Yong Jin SONG ; Kwanghyun YOON ; Byeong-Joo NOH ; Dong Gyu NA
Ultrasonography 2024;43(5):364-375
Purpose:
This study was performed to examine the ultrasonography (US) features of normal parathyroid glands (PTGs) that were identified on preoperative US and subsequently confirmed during thyroid surgery.
Methods:
This retrospective study included a consecutive sample of 161 patients (mean±standard deviation age, 56±14 years; 128 women) with 294 normal PTGs identified on preoperative US PTG mapping and confirmed during thyroidectomy. A presumed normal PTG on US was defined as a small, round to oval, hyperechoic structure in the central neck. These presumed normal PTGs, as identified on preoperative US, were mapped onto thyroid computed tomography images and diagrams of the thyroid gland and neck. During the preoperative real-time US examinations, the location, size, shape, echogenicity, echotexture, and intraglandular vascular flow of the identified presumed PTGs were assessed. These characteristics were compared between superior and inferior PTGs using the generalized estimating equation method.
Results:
The typical US features of homogeneous hyperechogenicity without intraglandular vascular flow were observed in 267 (90.8%) normal PTGs, while atypical features, including isoechogenicity (1.0%), heterogeneous echotexture with focal hypoechogenicity (5.8%), and intraglandular vascular flow (3.7%), were noted in 27 (9.2%). Inferior PTGs were more frequently identified in posterolateral (36.1% vs. 5.3%) and thyroid pole locations (29.9% vs. 5.3%), and less frequently in posteromedial locations (29.2% vs. 88.0%), compared to superior PTGs (P<0.001 for each comparison).
Conclusion
Most normal PTGs displayed the typical US features of homogeneous hyperechogenicity without intraglandular vascular flow. However, in rare cases, normal PTGs exhibited atypical features, including isoechogenicity, heterogeneous echotexture with focal hypoechogenicity, and intraglandular vascular flow.
5.Ultrasonographic features of normal parathyroid glands confirmed during thyroid surgery in adult patients
Seong Ju KIM ; Wooyul PAIK ; Jong Cheol LEE ; Yong Jin SONG ; Kwanghyun YOON ; Byeong-Joo NOH ; Dong Gyu NA
Ultrasonography 2024;43(5):364-375
Purpose:
This study was performed to examine the ultrasonography (US) features of normal parathyroid glands (PTGs) that were identified on preoperative US and subsequently confirmed during thyroid surgery.
Methods:
This retrospective study included a consecutive sample of 161 patients (mean±standard deviation age, 56±14 years; 128 women) with 294 normal PTGs identified on preoperative US PTG mapping and confirmed during thyroidectomy. A presumed normal PTG on US was defined as a small, round to oval, hyperechoic structure in the central neck. These presumed normal PTGs, as identified on preoperative US, were mapped onto thyroid computed tomography images and diagrams of the thyroid gland and neck. During the preoperative real-time US examinations, the location, size, shape, echogenicity, echotexture, and intraglandular vascular flow of the identified presumed PTGs were assessed. These characteristics were compared between superior and inferior PTGs using the generalized estimating equation method.
Results:
The typical US features of homogeneous hyperechogenicity without intraglandular vascular flow were observed in 267 (90.8%) normal PTGs, while atypical features, including isoechogenicity (1.0%), heterogeneous echotexture with focal hypoechogenicity (5.8%), and intraglandular vascular flow (3.7%), were noted in 27 (9.2%). Inferior PTGs were more frequently identified in posterolateral (36.1% vs. 5.3%) and thyroid pole locations (29.9% vs. 5.3%), and less frequently in posteromedial locations (29.2% vs. 88.0%), compared to superior PTGs (P<0.001 for each comparison).
Conclusion
Most normal PTGs displayed the typical US features of homogeneous hyperechogenicity without intraglandular vascular flow. However, in rare cases, normal PTGs exhibited atypical features, including isoechogenicity, heterogeneous echotexture with focal hypoechogenicity, and intraglandular vascular flow.
6.A Review of Molecular Markers of Mature Odontoblasts and Their Role in Dentin Repair and Regeneration Research
Yoon Seon LEE ; Joo-Cheol PARK ; Won-Jun SON ; Deog-Gyu SEO
Journal of Korean Dental Science 2024;17(4):163-173
The terminal differentiation of odontoblasts is characterized by specific molecular markers that reflect their functional maturity.This review explores both canonical markers, such as Dentin Sialophosphoprotein (DSPP), Dentin Matrix Protein 1 (DMP1), Nestin, and Alkaline Phosphatase (ALP), and emerging markers like MAP1B, MAP Tau, and β-catenin. These markers offer valuable insights into the regulation of odontoblast differentiation and the maintenance of their polarized, dentin-secreting phenotype. The review further discusses the experimental applications of these markers in in vitro studies, dental tissue engineering, regenerative endodontics, and drug discovery. Canonical markers are utilized to confirm the maturity of odontoblasts and evaluate bioengineered tissues, while emerging markers reveal potential new targets for enhancing dentin repair and regeneration. Additionally, the role of signaling pathways, including Wnt5a, BMP, and integrin-mediated pathways, in supporting the structural and functional characteristics of mature odontoblasts is discussed. By consolidating current knowledge on these markers and pathways, this review aims to advance the understanding of odontoblast biology and contribute to the development of innovative strategies for dental tissue engineering and regenerative therapies.
7.A Review of Molecular Markers of Mature Odontoblasts and Their Role in Dentin Repair and Regeneration Research
Yoon Seon LEE ; Joo-Cheol PARK ; Won-Jun SON ; Deog-Gyu SEO
Journal of Korean Dental Science 2024;17(4):163-173
The terminal differentiation of odontoblasts is characterized by specific molecular markers that reflect their functional maturity.This review explores both canonical markers, such as Dentin Sialophosphoprotein (DSPP), Dentin Matrix Protein 1 (DMP1), Nestin, and Alkaline Phosphatase (ALP), and emerging markers like MAP1B, MAP Tau, and β-catenin. These markers offer valuable insights into the regulation of odontoblast differentiation and the maintenance of their polarized, dentin-secreting phenotype. The review further discusses the experimental applications of these markers in in vitro studies, dental tissue engineering, regenerative endodontics, and drug discovery. Canonical markers are utilized to confirm the maturity of odontoblasts and evaluate bioengineered tissues, while emerging markers reveal potential new targets for enhancing dentin repair and regeneration. Additionally, the role of signaling pathways, including Wnt5a, BMP, and integrin-mediated pathways, in supporting the structural and functional characteristics of mature odontoblasts is discussed. By consolidating current knowledge on these markers and pathways, this review aims to advance the understanding of odontoblast biology and contribute to the development of innovative strategies for dental tissue engineering and regenerative therapies.
8.Heart Failure Statistics 2024 Update: A Report From the Korean Society of Heart Failure
Chan Joo LEE ; Hokyou LEE ; Minjae YOON ; Kyeong-Hyeon CHUN ; Min Gyu KONG ; Mi-Hyang JUNG ; In-Cheol KIM ; Jae Yeong CHO ; Jeehoon KANG ; Jin Joo PARK ; Hyeon Chang KIM ; Dong-Ju CHOI ; Jungkuk LEE ; Seok-Min KANG
International Journal of Heart Failure 2024;6(2):56-69
Background and Objectives:
The number of people with heart failure (HF) is increasing worldwide, and the social burden is increasing as HF has high mortality and morbidity. We aimed to provide updated trends on the epidemiology of HF in Korea to shape future social measures against HF.
Methods:
We used the National Health Information Database of the National Health Insurance Service to determine the prevalence, incidence, hospitalization rate, mortality rate, comorbidities, in-hospital mortality, and healthcare cost of patients with HF from 2002 to 2020 in Korea.
Results:
The prevalence of HF in the total Korean population rose from 0.77% in 2002 to 2.58% (1,326,886 people) in 2020. Although the age-standardized incidence of HF decreased over the past 18 years, the age-standardized prevalence increased. In 2020, the hospitalization rate for any cause in patients with HF was 1,166 per 100,000 persons, with a steady increase from 2002. In 2002, the HF mortality was 3.0 per 100,000 persons, which rose to 15.6 per 100,000 persons in 2020. While hospitalization rates and in-hospital mortality for patients with HF increased, the mortality rate for patients with HF did not (5.8% in 2020), and the one-year survival rate from the first diagnosis of HF improved. The total healthcare costs for patients with HF were approximately $2.4 billion in 2020, a 16-fold increase over the $0.15 billion in 2002.
Conclusions
The study’s results underscore the growing socioeconomic burden of HF in Korea, driven by an aging population and increasing HF prevalence.
9.Ultrasonographic features of normal parathyroid glands confirmed during thyroid surgery in adult patients
Seong Ju KIM ; Wooyul PAIK ; Jong Cheol LEE ; Yong Jin SONG ; Kwanghyun YOON ; Byeong-Joo NOH ; Dong Gyu NA
Ultrasonography 2024;43(5):364-375
Purpose:
This study was performed to examine the ultrasonography (US) features of normal parathyroid glands (PTGs) that were identified on preoperative US and subsequently confirmed during thyroid surgery.
Methods:
This retrospective study included a consecutive sample of 161 patients (mean±standard deviation age, 56±14 years; 128 women) with 294 normal PTGs identified on preoperative US PTG mapping and confirmed during thyroidectomy. A presumed normal PTG on US was defined as a small, round to oval, hyperechoic structure in the central neck. These presumed normal PTGs, as identified on preoperative US, were mapped onto thyroid computed tomography images and diagrams of the thyroid gland and neck. During the preoperative real-time US examinations, the location, size, shape, echogenicity, echotexture, and intraglandular vascular flow of the identified presumed PTGs were assessed. These characteristics were compared between superior and inferior PTGs using the generalized estimating equation method.
Results:
The typical US features of homogeneous hyperechogenicity without intraglandular vascular flow were observed in 267 (90.8%) normal PTGs, while atypical features, including isoechogenicity (1.0%), heterogeneous echotexture with focal hypoechogenicity (5.8%), and intraglandular vascular flow (3.7%), were noted in 27 (9.2%). Inferior PTGs were more frequently identified in posterolateral (36.1% vs. 5.3%) and thyroid pole locations (29.9% vs. 5.3%), and less frequently in posteromedial locations (29.2% vs. 88.0%), compared to superior PTGs (P<0.001 for each comparison).
Conclusion
Most normal PTGs displayed the typical US features of homogeneous hyperechogenicity without intraglandular vascular flow. However, in rare cases, normal PTGs exhibited atypical features, including isoechogenicity, heterogeneous echotexture with focal hypoechogenicity, and intraglandular vascular flow.
10.Ultrasonographic features of normal parathyroid glands confirmed during thyroid surgery in adult patients
Seong Ju KIM ; Wooyul PAIK ; Jong Cheol LEE ; Yong Jin SONG ; Kwanghyun YOON ; Byeong-Joo NOH ; Dong Gyu NA
Ultrasonography 2024;43(5):364-375
Purpose:
This study was performed to examine the ultrasonography (US) features of normal parathyroid glands (PTGs) that were identified on preoperative US and subsequently confirmed during thyroid surgery.
Methods:
This retrospective study included a consecutive sample of 161 patients (mean±standard deviation age, 56±14 years; 128 women) with 294 normal PTGs identified on preoperative US PTG mapping and confirmed during thyroidectomy. A presumed normal PTG on US was defined as a small, round to oval, hyperechoic structure in the central neck. These presumed normal PTGs, as identified on preoperative US, were mapped onto thyroid computed tomography images and diagrams of the thyroid gland and neck. During the preoperative real-time US examinations, the location, size, shape, echogenicity, echotexture, and intraglandular vascular flow of the identified presumed PTGs were assessed. These characteristics were compared between superior and inferior PTGs using the generalized estimating equation method.
Results:
The typical US features of homogeneous hyperechogenicity without intraglandular vascular flow were observed in 267 (90.8%) normal PTGs, while atypical features, including isoechogenicity (1.0%), heterogeneous echotexture with focal hypoechogenicity (5.8%), and intraglandular vascular flow (3.7%), were noted in 27 (9.2%). Inferior PTGs were more frequently identified in posterolateral (36.1% vs. 5.3%) and thyroid pole locations (29.9% vs. 5.3%), and less frequently in posteromedial locations (29.2% vs. 88.0%), compared to superior PTGs (P<0.001 for each comparison).
Conclusion
Most normal PTGs displayed the typical US features of homogeneous hyperechogenicity without intraglandular vascular flow. However, in rare cases, normal PTGs exhibited atypical features, including isoechogenicity, heterogeneous echotexture with focal hypoechogenicity, and intraglandular vascular flow.

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