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Yang X, A M, Gegen T, Daoerji B, Zheng Y, Wang A. PHLPP1 inhibits the growth and aerobic glycolysis activity of human ovarian granular cells through inactivating AKT pathway. BMC Womens Health 2024; 24:25. [PMID: 38184561 PMCID: PMC10771674 DOI: 10.1186/s12905-023-02872-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 12/28/2023] [Indexed: 01/08/2024] Open
Abstract
BACKGROUND Polycystic ovary syndrome (PCOS) is a disorder characterized by hyperandrogenism, ovulatory dysfunction, and polycystic ovarian morphologic features, and PCOS is associated with infertility. PH domain Leucine-rich repeat Protein Phosphatase 1 (PHLPP1) has been shown to regulate AKT. The aim of present study is to investigate the role of PHLPP1 in PCOS. METHODS The expression levels of PHLPP1 in dihydrotestosterone (DHT)-treated human ovarian granular KGN cells were determined by qRT-PCR and Western blot. PHLPP1 was silenced or overexpressed using lentivirus. Cell proliferation was detected by CCK-8. Apoptosis and ROS generation were analyzed by flow cytometry. Glycolysis was analyzed by measuring extracellular acidification rate (ECAR). RESULTS DHT treatment suppressed proliferation, promoted apoptosis, enhanced ROS, and inhibited glycolysis in KGN cells. PHLPP1 silencing alleviated the DHT-induced suppression of proliferation and glycolysis, and promotion of apoptosis and ROS in KGN cells. PHLPP1 regulated cell proliferation and glycolysis in human KGN cells via the AKT signaling pathway. CONCLUSIONS Our results showed that PHLPP1 mediates the proliferation and aerobic glycolysis activity of human ovarian granular cells through regulating AKT signaling.
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Affiliation(s)
- Xiaoyan Yang
- Reproductive Medicine Center, Affiliated Hospital of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
- Clinical Medical (Mongolian Medical) College of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
| | - Min A
- Clinical Medical (Mongolian Medical) College of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
- Department of Urology, Affiliated Hospital of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
| | - Tana Gegen
- Reproductive Medicine Center, Affiliated Hospital of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
- Clinical Medical (Mongolian Medical) College of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
| | - Badema Daoerji
- Reproductive Medicine Center, Affiliated Hospital of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
- Clinical Medical (Mongolian Medical) College of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
| | - Yue Zheng
- Reproductive Medicine Center, Affiliated Hospital of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
- Clinical Medical (Mongolian Medical) College of Inner Mongolia Minzu University, Tongliao, Inner Mongolia, 028000, China
| | - Aiming Wang
- Department of Obstetrics and Gynaecology, Sixth Medical Center, Chinese PLA General Hospital, No.6 Fucheng Road, Haidian District, Beijing, 100048, China.
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Li J, Xing W, Gegen T, Zhang C, Ren Y, Yang C. Effect of Fasted Live-Weight Gain during the Cashmere Non-Growing Period on Cashmere Production Performance and Secondary Hair Follicle Activity of Cashmere Goats. Animals (Basel) 2023; 13:3519. [PMID: 38003137 PMCID: PMC10668669 DOI: 10.3390/ani13223519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/10/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
The objective of this study was to investigate the effects of fasted live-weight gain during the cashmere non-growing period on cashmere production performance and secondary hair follicle activity, to provide a theoretical basis for appropriate supplementary feeding of cashmere goats. Fifty Inner Mongolian cashmere goats aged 2-4 years old were randomly selected and weighed in May and September 2019, respectively. Based on fasted live-weight gain between the two weights, the experimental ewe goats were divided into two groups: 0-5.0 kg group (n = 30) and 5.0-10.0 kg group (n = 20). Skin samples and cashmere samples were collected. Results of a Pearson correlation analysis showed that fasted live-weight gain during the cashmere non-growing period had a moderate and strong positive correlation with cashmere yield (p = 0.021) and cashmere staple length (p = 0.002), respectively, but did not correlate with cashmere diameter (p = 0.254). Compared with cashmere goats with a fasted live-weight gain of 0-5.0 kg, cashmere goats with a fasted live-weight gain of 5.0-10.0 kg had a 17.10% increase in cashmere yield (p = 0.037) and an 8.09% increase in cashmere staple length (p = 0.045), but had no significant difference in cashmere diameter (p = 0.324). Results of a Pearson correlation analysis showed that there was a strong positive correlation between fasted live-weight gain and the population of active secondary hair follicles in the skin of cashmere goats (p < 0.01). Compared with cashmere goats with a fasted live-weight gain of 0-5.0 kg, cashmere goats with a fasted live-weight gain of 5.0-10.0 kg had an increase in the population of active secondary hair follicles (p < 0.05). In conclusion, the fasted live-weight gain during the cashmere non-growing period had a significant effect on secondary hair follicle activity and cashmere production performance in cashmere goats. Since fasted live-weight gain reflects nutritional level to a certain extent, this study suggests that nutritional manipulations such as supplementary feeding during cashmere non-growing periods can increase cashmere production performance. However, specific nutritional manipulations during the cashmere non-growing period need further research to increase cashmere production performance.
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Affiliation(s)
- Junxia Li
- College of Animal Science, Shanxi Agricultural University, Taigu 030801, China; (J.L.); (W.X.); (C.Z.)
| | - Wenhui Xing
- College of Animal Science, Shanxi Agricultural University, Taigu 030801, China; (J.L.); (W.X.); (C.Z.)
| | - Tana Gegen
- Agriculture and Animal Husbandry Bureau of Linxi County, Linxi 025250, China;
| | - Chunxiang Zhang
- College of Animal Science, Shanxi Agricultural University, Taigu 030801, China; (J.L.); (W.X.); (C.Z.)
| | - Youshe Ren
- College of Animal Science, Shanxi Agricultural University, Taigu 030801, China; (J.L.); (W.X.); (C.Z.)
- Key Laboratory of Farm Animal Genetic Resources Exploration and Breeding of Shanxi Province, Taigu 030801, China
| | - Chunhe Yang
- College of Animal Science, Shanxi Agricultural University, Taigu 030801, China; (J.L.); (W.X.); (C.Z.)
- Key Laboratory of Farm Animal Genetic Resources Exploration and Breeding of Shanxi Province, Taigu 030801, China
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Gegen T, Zhong K, Qiao H, Yi L, Liu Y, Yan F, Li J, Xu D, Yao JQ. Terahertz beam characterization by temporal-spatial mapping with a reflecting echelon. Opt Lett 2023; 48:4805-4808. [PMID: 37707907 DOI: 10.1364/ol.497198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/31/2023] [Indexed: 09/15/2023]
Abstract
A terahertz beam imaging method was proposed that involves scanning a reflecting echelon with temporal-spatial mapping inversion based on self-developed translation-scan and rotation-scan temporal-spatial mapping (TTSM and RTSM) algorithms. The beam characteristics of a terahertz time-domain spectroscopy (TDS) system, such as its size, shape, and energy distribution, were obtained. Besides the weak terahertz beam emitted from a TDS system, this scheme is also suitable for imaging large-size terahertz or laser beams in time-domain systems where existing beam imaging is impractical.
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Abstract
Objective This study investigated interleukin (IL)-33 expression in chronic apical periodontitis (CAP) lesions and possible relationships with receptor activator of nuclear factor κ-Β ligand (RANKL) and osteoprotegerin (OPG). Methods Inflammatory cell infiltration in CAP lesions and samples of healthy periapical tissue (n = 30 each) was evaluated by hematoxylin and eosin staining. IL-33, RANKL, and OPG expression levels were assessed by immunohistochemistry and real-time PCR. In CAP lesions alone, relationships between mRNA level of IL-33 and mRNA levels of both RANKL and OPG were analyzed by Spearman rank correlation. Results Histological analysis revealed a large number of inflammatory cells in CAP lesions, and immunohistochemistry revealed IL-33-positive cells. There were more IL-33- and RANKL-positive cells in CAP lesions than in healthy periapical tissue, whereas there were fewer OPG-positive cells in CAP lesions than in healthy periapical tissue. In CAP lesions alone, IL-33 mRNA level was negatively correlated with mRNA level of RANKL and positively correlated with mRNA level of OPG. Conclusions IL-33 is highly expressed in CAP lesions, where it is negatively correlated with RANKL and positively correlated with OPG expression. IL-33 may protect against bone resorption via RANKL suppression and OPG induction, and constitutes a potential target for CAP treatment.
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Affiliation(s)
- Tana Gegen
- Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
- Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Yanxia Zhu
- Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Qinnuan Sun
- Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Benxiang Hou
- Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
- Benxiang Hou, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China.
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Yu G, Yang N, Li F, Chen M, Guo CJ, Wang C, Hu D, Yang Y, Zhu C, Wang Z, Shi H, Gegen T, Tang M, He Q, Liu Q, Tang Z. Enhanced itch elicited by capsaicin in a chronic itch model. Mol Pain 2016; 12:12/0/1744806916645349. [PMID: 27118771 PMCID: PMC4956172 DOI: 10.1177/1744806916645349] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 03/20/2016] [Indexed: 11/17/2022] Open
Abstract
Chronic itch (pruritus) is an important clinical problem. However, the underlying molecular basis has yet to be understood. The Transient Receptor Potential Vanilloid 1 channel is a heat-sensitive cation channel expressed in primary sensory neurons and involved in both thermosensation and pain, but its role in chronic itch remains elusive. Here, we for the first time revealed an increased innervation density of Transient Receptor Potential Vanilloid 1-expressing sensory fibers in the skin afflicted with chronic itch. Further analysis indicated that this phenomenon is due to an expansion of Transient Receptor Potential Vanilloid 1-expressing sensory neurons under chronic itch conditions. As a functional correlates of this neuronal expansion, we observed an enhanced neuronal responsiveness to capsaicin under the dry skin conditions. Importantly, the neuronal hypersensitivity to capsaicin results in itch, rather than pain sensation, suggesting that the up-regulated Transient Receptor Potential Vanilloid 1 underlies the pain-to-itch switch under chronic itchy conditions. The study shows that there are different mechanisms of chronic pain and itching, and Transient Receptor Potential Vanilloid 1 plays an important role in chronic itch.
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Affiliation(s)
- Guang Yu
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Niuniu Yang
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Fengxian Li
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA Department of Anesthesiology, Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Meijuan Chen
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Changxiong J Guo
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Changming Wang
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Danyou Hu
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yan Yang
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Chan Zhu
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Zhongli Wang
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Hao Shi
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Tana Gegen
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Ming Tang
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Qian He
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Qin Liu
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Zongxiang Tang
- College of Basic Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
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