1.Prevalence and Factors Influencing Behavioral Addictions among School Adolescents: A Study in the Gwangju-Jeonnam Region
Narae KIM ; Bo-Hyun YOON ; Hyunju YUN ; Hyoung-Yeon KIM ; Ha-Ran JUNG ; Yuran JEONG ; Suhee PARK ; Young-Hwa SEA
Mood and Emotion 2025;23(1):11-20
Background:
The aim of this study is to evaluate the prevalence and associated psychosocial factors of behavioral addictions among school adolescents living in the Gwangju and Jeonnam regions in Korea.
Methods:
A self-reported survey was conducted from December 4, 2023, to January 31, 2024, including 855 middle and high school students residing in the Gwangju-Jeonnam regions. Aside from the information on demographic characteristics, data on depression, anxiety, Internet gaming addiction, gambling problems, and resilience was obtained.
Results:
The prevalence of Internet gaming addiction among adolescents was 5.4%, while the prevalence of gambling problems was 3.3%. The male adolescents had a significantly higher risk of behavioral addiction compared with the female adolescents. The logistic regression analysis revealed that male and depression were significant risk factors for Internet gaming addiction. For gambling problems, male was identified as a significant risk factor.
Conclusion
The findings of this study suggested that the prevalence of behavioral addiction among school adolescents has been relatively higher than that of previous studies, emphasizing the need for community-based prevention and intervention strategies tailored to the sex difference and psychological factors associated with adolescent behavioral addictions.
2.p66shc deficiency attenuates high glucose-induced autophagy dysfunction in Schwann cells
Su-Jeong CHOI ; Giang-Huong VU ; Harsha NAGAR ; Seonhee KIM ; Ikjun LEE ; Shuyu PIAO ; Byeong Hwa JEON ; Kaikobad IRANI ; Sang-Ha OH ; Cuk-Seong KIM
The Korean Journal of Physiology and Pharmacology 2025;29(1):57-66
Schwann cells are the most abundant cells in the peripheral nervous system, maintaining the development, function and regeneration of peripheral nerves. Defects in these Schwann cells injury response potentially contribute to the pathogenesis of diabetic peripheral neuropathy (DPN), a common complication of diabetes mellitus. The protein p66shc is essential in regulating oxidative stress responses, autophagy induction and cell survival, and is also vital in the development of DPN. In this study, we hypothesized that p66shc mediates high glucose-induced oxidative stress and autophagic dysfunction. In Schwann cells treated with high glucose; p66shc expression, levels of reactive oxygen species, autophagy impairment, and early apoptosis were elevated. Inhibition of p66shc gene expression by siRNA reversed high glucose-induced oxidative stress, autophagy impairment, and early apoptosis. We also demonstrated that the levels of p66shc was increased, while autophagy-related proteins p62 and LC3 (LC3-II/I) were suppressed in the sciatic nerve of streptozotocin-induced diabetes mice. P66shc-deficient mice exhibited the improvement in autophagy impairment after diabetes onset. Our findings suggest that the p66 plays a crucial role in Schwann cell dysfunction, identifying its potential as a therapeutic target.
3.Prevalence and Factors Influencing Behavioral Addictions among School Adolescents: A Study in the Gwangju-Jeonnam Region
Narae KIM ; Bo-Hyun YOON ; Hyunju YUN ; Hyoung-Yeon KIM ; Ha-Ran JUNG ; Yuran JEONG ; Suhee PARK ; Young-Hwa SEA
Mood and Emotion 2025;23(1):11-20
Background:
The aim of this study is to evaluate the prevalence and associated psychosocial factors of behavioral addictions among school adolescents living in the Gwangju and Jeonnam regions in Korea.
Methods:
A self-reported survey was conducted from December 4, 2023, to January 31, 2024, including 855 middle and high school students residing in the Gwangju-Jeonnam regions. Aside from the information on demographic characteristics, data on depression, anxiety, Internet gaming addiction, gambling problems, and resilience was obtained.
Results:
The prevalence of Internet gaming addiction among adolescents was 5.4%, while the prevalence of gambling problems was 3.3%. The male adolescents had a significantly higher risk of behavioral addiction compared with the female adolescents. The logistic regression analysis revealed that male and depression were significant risk factors for Internet gaming addiction. For gambling problems, male was identified as a significant risk factor.
Conclusion
The findings of this study suggested that the prevalence of behavioral addiction among school adolescents has been relatively higher than that of previous studies, emphasizing the need for community-based prevention and intervention strategies tailored to the sex difference and psychological factors associated with adolescent behavioral addictions.
4.p66shc deficiency attenuates high glucose-induced autophagy dysfunction in Schwann cells
Su-Jeong CHOI ; Giang-Huong VU ; Harsha NAGAR ; Seonhee KIM ; Ikjun LEE ; Shuyu PIAO ; Byeong Hwa JEON ; Kaikobad IRANI ; Sang-Ha OH ; Cuk-Seong KIM
The Korean Journal of Physiology and Pharmacology 2025;29(1):57-66
Schwann cells are the most abundant cells in the peripheral nervous system, maintaining the development, function and regeneration of peripheral nerves. Defects in these Schwann cells injury response potentially contribute to the pathogenesis of diabetic peripheral neuropathy (DPN), a common complication of diabetes mellitus. The protein p66shc is essential in regulating oxidative stress responses, autophagy induction and cell survival, and is also vital in the development of DPN. In this study, we hypothesized that p66shc mediates high glucose-induced oxidative stress and autophagic dysfunction. In Schwann cells treated with high glucose; p66shc expression, levels of reactive oxygen species, autophagy impairment, and early apoptosis were elevated. Inhibition of p66shc gene expression by siRNA reversed high glucose-induced oxidative stress, autophagy impairment, and early apoptosis. We also demonstrated that the levels of p66shc was increased, while autophagy-related proteins p62 and LC3 (LC3-II/I) were suppressed in the sciatic nerve of streptozotocin-induced diabetes mice. P66shc-deficient mice exhibited the improvement in autophagy impairment after diabetes onset. Our findings suggest that the p66 plays a crucial role in Schwann cell dysfunction, identifying its potential as a therapeutic target.
5.Prevalence and Factors Influencing Behavioral Addictions among School Adolescents: A Study in the Gwangju-Jeonnam Region
Narae KIM ; Bo-Hyun YOON ; Hyunju YUN ; Hyoung-Yeon KIM ; Ha-Ran JUNG ; Yuran JEONG ; Suhee PARK ; Young-Hwa SEA
Mood and Emotion 2025;23(1):11-20
Background:
The aim of this study is to evaluate the prevalence and associated psychosocial factors of behavioral addictions among school adolescents living in the Gwangju and Jeonnam regions in Korea.
Methods:
A self-reported survey was conducted from December 4, 2023, to January 31, 2024, including 855 middle and high school students residing in the Gwangju-Jeonnam regions. Aside from the information on demographic characteristics, data on depression, anxiety, Internet gaming addiction, gambling problems, and resilience was obtained.
Results:
The prevalence of Internet gaming addiction among adolescents was 5.4%, while the prevalence of gambling problems was 3.3%. The male adolescents had a significantly higher risk of behavioral addiction compared with the female adolescents. The logistic regression analysis revealed that male and depression were significant risk factors for Internet gaming addiction. For gambling problems, male was identified as a significant risk factor.
Conclusion
The findings of this study suggested that the prevalence of behavioral addiction among school adolescents has been relatively higher than that of previous studies, emphasizing the need for community-based prevention and intervention strategies tailored to the sex difference and psychological factors associated with adolescent behavioral addictions.
6.p66shc deficiency attenuates high glucose-induced autophagy dysfunction in Schwann cells
Su-Jeong CHOI ; Giang-Huong VU ; Harsha NAGAR ; Seonhee KIM ; Ikjun LEE ; Shuyu PIAO ; Byeong Hwa JEON ; Kaikobad IRANI ; Sang-Ha OH ; Cuk-Seong KIM
The Korean Journal of Physiology and Pharmacology 2025;29(1):57-66
Schwann cells are the most abundant cells in the peripheral nervous system, maintaining the development, function and regeneration of peripheral nerves. Defects in these Schwann cells injury response potentially contribute to the pathogenesis of diabetic peripheral neuropathy (DPN), a common complication of diabetes mellitus. The protein p66shc is essential in regulating oxidative stress responses, autophagy induction and cell survival, and is also vital in the development of DPN. In this study, we hypothesized that p66shc mediates high glucose-induced oxidative stress and autophagic dysfunction. In Schwann cells treated with high glucose; p66shc expression, levels of reactive oxygen species, autophagy impairment, and early apoptosis were elevated. Inhibition of p66shc gene expression by siRNA reversed high glucose-induced oxidative stress, autophagy impairment, and early apoptosis. We also demonstrated that the levels of p66shc was increased, while autophagy-related proteins p62 and LC3 (LC3-II/I) were suppressed in the sciatic nerve of streptozotocin-induced diabetes mice. P66shc-deficient mice exhibited the improvement in autophagy impairment after diabetes onset. Our findings suggest that the p66 plays a crucial role in Schwann cell dysfunction, identifying its potential as a therapeutic target.
7.Prevalence and Factors Influencing Behavioral Addictions among School Adolescents: A Study in the Gwangju-Jeonnam Region
Narae KIM ; Bo-Hyun YOON ; Hyunju YUN ; Hyoung-Yeon KIM ; Ha-Ran JUNG ; Yuran JEONG ; Suhee PARK ; Young-Hwa SEA
Mood and Emotion 2025;23(1):11-20
Background:
The aim of this study is to evaluate the prevalence and associated psychosocial factors of behavioral addictions among school adolescents living in the Gwangju and Jeonnam regions in Korea.
Methods:
A self-reported survey was conducted from December 4, 2023, to January 31, 2024, including 855 middle and high school students residing in the Gwangju-Jeonnam regions. Aside from the information on demographic characteristics, data on depression, anxiety, Internet gaming addiction, gambling problems, and resilience was obtained.
Results:
The prevalence of Internet gaming addiction among adolescents was 5.4%, while the prevalence of gambling problems was 3.3%. The male adolescents had a significantly higher risk of behavioral addiction compared with the female adolescents. The logistic regression analysis revealed that male and depression were significant risk factors for Internet gaming addiction. For gambling problems, male was identified as a significant risk factor.
Conclusion
The findings of this study suggested that the prevalence of behavioral addiction among school adolescents has been relatively higher than that of previous studies, emphasizing the need for community-based prevention and intervention strategies tailored to the sex difference and psychological factors associated with adolescent behavioral addictions.
8.p66shc deficiency attenuates high glucose-induced autophagy dysfunction in Schwann cells
Su-Jeong CHOI ; Giang-Huong VU ; Harsha NAGAR ; Seonhee KIM ; Ikjun LEE ; Shuyu PIAO ; Byeong Hwa JEON ; Kaikobad IRANI ; Sang-Ha OH ; Cuk-Seong KIM
The Korean Journal of Physiology and Pharmacology 2025;29(1):57-66
Schwann cells are the most abundant cells in the peripheral nervous system, maintaining the development, function and regeneration of peripheral nerves. Defects in these Schwann cells injury response potentially contribute to the pathogenesis of diabetic peripheral neuropathy (DPN), a common complication of diabetes mellitus. The protein p66shc is essential in regulating oxidative stress responses, autophagy induction and cell survival, and is also vital in the development of DPN. In this study, we hypothesized that p66shc mediates high glucose-induced oxidative stress and autophagic dysfunction. In Schwann cells treated with high glucose; p66shc expression, levels of reactive oxygen species, autophagy impairment, and early apoptosis were elevated. Inhibition of p66shc gene expression by siRNA reversed high glucose-induced oxidative stress, autophagy impairment, and early apoptosis. We also demonstrated that the levels of p66shc was increased, while autophagy-related proteins p62 and LC3 (LC3-II/I) were suppressed in the sciatic nerve of streptozotocin-induced diabetes mice. P66shc-deficient mice exhibited the improvement in autophagy impairment after diabetes onset. Our findings suggest that the p66 plays a crucial role in Schwann cell dysfunction, identifying its potential as a therapeutic target.
9.Prevalence and Factors Influencing Behavioral Addictions among School Adolescents: A Study in the Gwangju-Jeonnam Region
Narae KIM ; Bo-Hyun YOON ; Hyunju YUN ; Hyoung-Yeon KIM ; Ha-Ran JUNG ; Yuran JEONG ; Suhee PARK ; Young-Hwa SEA
Mood and Emotion 2025;23(1):11-20
Background:
The aim of this study is to evaluate the prevalence and associated psychosocial factors of behavioral addictions among school adolescents living in the Gwangju and Jeonnam regions in Korea.
Methods:
A self-reported survey was conducted from December 4, 2023, to January 31, 2024, including 855 middle and high school students residing in the Gwangju-Jeonnam regions. Aside from the information on demographic characteristics, data on depression, anxiety, Internet gaming addiction, gambling problems, and resilience was obtained.
Results:
The prevalence of Internet gaming addiction among adolescents was 5.4%, while the prevalence of gambling problems was 3.3%. The male adolescents had a significantly higher risk of behavioral addiction compared with the female adolescents. The logistic regression analysis revealed that male and depression were significant risk factors for Internet gaming addiction. For gambling problems, male was identified as a significant risk factor.
Conclusion
The findings of this study suggested that the prevalence of behavioral addiction among school adolescents has been relatively higher than that of previous studies, emphasizing the need for community-based prevention and intervention strategies tailored to the sex difference and psychological factors associated with adolescent behavioral addictions.
10.p66shc deficiency attenuates high glucose-induced autophagy dysfunction in Schwann cells
Su-Jeong CHOI ; Giang-Huong VU ; Harsha NAGAR ; Seonhee KIM ; Ikjun LEE ; Shuyu PIAO ; Byeong Hwa JEON ; Kaikobad IRANI ; Sang-Ha OH ; Cuk-Seong KIM
The Korean Journal of Physiology and Pharmacology 2025;29(1):57-66
Schwann cells are the most abundant cells in the peripheral nervous system, maintaining the development, function and regeneration of peripheral nerves. Defects in these Schwann cells injury response potentially contribute to the pathogenesis of diabetic peripheral neuropathy (DPN), a common complication of diabetes mellitus. The protein p66shc is essential in regulating oxidative stress responses, autophagy induction and cell survival, and is also vital in the development of DPN. In this study, we hypothesized that p66shc mediates high glucose-induced oxidative stress and autophagic dysfunction. In Schwann cells treated with high glucose; p66shc expression, levels of reactive oxygen species, autophagy impairment, and early apoptosis were elevated. Inhibition of p66shc gene expression by siRNA reversed high glucose-induced oxidative stress, autophagy impairment, and early apoptosis. We also demonstrated that the levels of p66shc was increased, while autophagy-related proteins p62 and LC3 (LC3-II/I) were suppressed in the sciatic nerve of streptozotocin-induced diabetes mice. P66shc-deficient mice exhibited the improvement in autophagy impairment after diabetes onset. Our findings suggest that the p66 plays a crucial role in Schwann cell dysfunction, identifying its potential as a therapeutic target.

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