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Retraction of Int. J. Mol. Sci. 2019, 20(6), 1439.
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Retraction

RETRACTED: Jeong et al. Protective Effects of Fermented Oyster Extract Against RANKL-Induced Osteoclastogenesis Through Scavenging ROS Generation in RAW 264.7 Cells. Int. J. Mol. Sci. 2019, 20, 1439

by
Jin-Woo Jeong
1,
Sung Hyun Choi
2,
Min Ho Han
3,
Gi-Young Kim
4,
Cheol Park
5,
Su Hyun Hong
6,7,
Bae-Jin Lee
8,
Eui Kyun Park
9,
Sung Ok Kim
10,
Sun-Hee Leem
11,
You-Jin Jeon
4 and
Yung Hyun Choi
6,7,*
1
Freshwater Bioresources Utilization Bureau, Nakdonggang National Institute of Biological Resources, Sangju 37242, Republic of Korea
2
Department of System Management, Korea Lift College, Geochang 50141, Republic of Korea
3
National Marine Biodiversity Institute of Korea, Seocheon 33662, Republic of Korea
4
Department of Marine Life Sciences, School of Marine Biomedical Sciences, Jeju National University, Jeju 63243, Republic of Korea
5
Department of Molecular Biology, College of Natural Sciences, Dong-eui University, Busan 47340, Republic of Korea
6
Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan 47227, Republic of Korea
7
Anti-Aging Research Center, Dong-eui University, Busan 47227, Republic of Korea
8
Marine Bioprocess Co., Ltd., Busan 46048, Republic of Korea
9
Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu 41940, Republic of Korea
10
Department of Food Science and Biotechnology, College of Engineering, Kyungsung University, Busan 48434, Republic of Korea
11
Department of Biological Sciences, College of Natural Science, Dong-A University, Busan 49315, Republic of Korea
 
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Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2026, 27(13), 5675; https://doi.org/10.3390/ijms27135675
Submission received: 4 June 2026 / Accepted: 10 June 2026 / Published: 24 June 2026
(This article belongs to the Section Bioactives and Nutraceuticals)
Versions Notes
The journal retracts the article titled “Protective Effects of Fermented Oyster Extract against RANKL-Induced Osteoclastogenesis through Scavenging ROS Generation in RAW 264.7 Cells” [1], cited above.
Following publication, concerns were brought to the attention of the Editorial Office regarding the integrity of several figures published in this article [1].
In accordance with standard journal procedures, the Editorial Office and Editorial Board conducted an investigation that confirmed inappropriate editing in several images and duplication with previously published figures in [2], produced by a similar authorship group and depicting different experimental conditions. Although the authors cooperated during the investigation, the explanations and supporting materials provided were not deemed sufficient by the Editorial Board to resolve the identified integrity issues and establish the provenance of the images.
Consequently, the Editorial Board has lost confidence in the reliability of the findings and decided to retract this publication [1], as per MDPI’s retraction policy.
This retraction was approved by the Editor-in-Chief of the journal IJMS.
The authors have been informed of this retraction and have indicated their disagreement with this decision.

References

  1. Jeong, J.-W.; Choi, S.H.; Han, M.H.; Kim, G.-Y.; Park, C.; Hong, S.H.; Lee, B.-J.; Park, E.K.; Kim, S.O.; Leem, S.-H.; et al. RETRACTED: Protective Effects of Fermented Oyster Extract against RANKL-Induced Osteoclastogenesis through Scavenging ROS Generation in RAW 264.7 Cells. Int. J. Mol. Sci. 2019, 20, 1439. [Google Scholar] [CrossRef] [Scilit] [PubMed]
  2. Kim, H.J.; Park, C.; Kim, G.-Y.; Park, E.K.; Jeon, Y.-J.; Kim, S.; Hwang, H.J.; Choi, Y.H. Sargassum serratifolium attenuates RANKL-induced osteoclast differentiation and oxidative stress through inhibition of NF-κB and activation of the Nrf2/HO-1 signaling pathway. Biosci. Trends 2018, 12, 257–265. [Google Scholar] [CrossRef] [Scilit] [PubMed]
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.

Share and Cite

MDPI and ACS Style

Jeong, J.-W.; Choi, S.H.; Han, M.H.; Kim, G.-Y.; Park, C.; Hong, S.H.; Lee, B.-J.; Park, E.K.; Kim, S.O.; Leem, S.-H.; et al. RETRACTED: Jeong et al. Protective Effects of Fermented Oyster Extract Against RANKL-Induced Osteoclastogenesis Through Scavenging ROS Generation in RAW 264.7 Cells. Int. J. Mol. Sci. 2019, 20, 1439. Int. J. Mol. Sci. 2026, 27, 5675. https://doi.org/10.3390/ijms27135675

AMA Style

Jeong J-W, Choi SH, Han MH, Kim G-Y, Park C, Hong SH, Lee B-J, Park EK, Kim SO, Leem S-H, et al. RETRACTED: Jeong et al. Protective Effects of Fermented Oyster Extract Against RANKL-Induced Osteoclastogenesis Through Scavenging ROS Generation in RAW 264.7 Cells. Int. J. Mol. Sci. 2019, 20, 1439. International Journal of Molecular Sciences. 2026; 27(13):5675. https://doi.org/10.3390/ijms27135675

Chicago/Turabian Style

Jeong, Jin-Woo, Sung Hyun Choi, Min Ho Han, Gi-Young Kim, Cheol Park, Su Hyun Hong, Bae-Jin Lee, Eui Kyun Park, Sung Ok Kim, Sun-Hee Leem, and et al. 2026. "RETRACTED: Jeong et al. Protective Effects of Fermented Oyster Extract Against RANKL-Induced Osteoclastogenesis Through Scavenging ROS Generation in RAW 264.7 Cells. Int. J. Mol. Sci. 2019, 20, 1439" International Journal of Molecular Sciences 27, no. 13: 5675. https://doi.org/10.3390/ijms27135675

APA Style

Jeong, J.-W., Choi, S. H., Han, M. H., Kim, G.-Y., Park, C., Hong, S. H., Lee, B.-J., Park, E. K., Kim, S. O., Leem, S.-H., Jeon, Y.-J., & Choi, Y. H. (2026). RETRACTED: Jeong et al. Protective Effects of Fermented Oyster Extract Against RANKL-Induced Osteoclastogenesis Through Scavenging ROS Generation in RAW 264.7 Cells. Int. J. Mol. Sci. 2019, 20, 1439. International Journal of Molecular Sciences, 27(13), 5675. https://doi.org/10.3390/ijms27135675

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