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Article ; Online: Host-microbiota interactions in collagen-induced arthritis rats treated with human umbilical cord mesenchymal stem cell exosome and ginsenoside Rh2.

Zhou, Zhongsheng / Li, Yang / Wu, Shuhui / Liu, Te / Jiang, Jinlan

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

2024 Volume 174, Page(s) 116515

Abstract: Mesenchymal stem cell exosome (MSCs-exo) is a class of products secreted by mesenchymal stem cells (MSCs) that contain various biologically active substances. MSCs-exo is a promising alternative to MSCs due to their lower immunogenicity and lack of ... ...

Abstract	Mesenchymal stem cell exosome (MSCs-exo) is a class of products secreted by mesenchymal stem cells (MSCs) that contain various biologically active substances. MSCs-exo is a promising alternative to MSCs due to their lower immunogenicity and lack of ethical constraints. Ginsenoside Rh2 (Rh2) is a hydrolyzed component of the primary active substance of ginsenosides. Rh2 has a variety of pharmacological functions, including anti-inflammatory, anti-tumor, and antioxidant. Studies have demonstrated that gut microbiota and metabolites are critical in developing rheumatoid arthritis (RA). In this study, we constructed a collagen-induced arthritis (CIA) model in rats. We used MSCs-exo combined with Rh2 to treat CIA rats. To observe the effect of MSCs-exo combined with Rh2 on joint inflammation, rat feces were collected for 16 rRNA amplicon sequencing and untargeted metabolomics analysis. The results showed that the arthritis index score and joint swelling of CIA rats treated with MSCs-exo in combination with Rh2 were significantly lower than those of the model and MSCs-exo alone groups. MSCs-exo and Rh2 significantly ameliorated the disturbed gut microbiota in CIA rats. The regulation of Candidatus_Saccharibacteria and Clostridium_XlVb regulation may be the most critical. Rh2 enhanced the therapeutic effect of MSCs-exo compared with the MSCs-exo -alone group. Furthermore, significant changes in gut metabolites were observed in the CIA rat group, and these differentially altered metabolites may act as messengers for host-microbiota interactions. These differential metabolites were enriched into relevant critical metabolic pathways, revealing possible pathways for host-microbiota interactions.
Language	English
Publishing date	2024-04-02
Publishing country	France
Document type	Journal Article
ZDB-ID	392415-4
ISSN	1950-6007 ; 0753-3322 ; 0300-0893
ISSN (online)	1950-6007
ISSN	0753-3322 ; 0300-0893
DOI	10.1016/j.biopha.2024.116515
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Article ; Online: Review of the Pathogenesis, Diagnosis, and Management of Osteoradionecrosis of the Femoral Head.

Li, Yang / Zhou, Zhongsheng / Xu, Shenghao / Jiang, Jinlan / Xiao, Jianlin

Medical science monitor : international medical journal of experimental and clinical research

2023 Volume 29, Page(s) e940264

Abstract: Osteoradionecrosis (ORN) of the femoral head is an important issue for orthopedists and radiologists in clinical practice. With the rapid development of technological advances in radiation therapy and the improvement in cancer survival rates, the ... ...

Abstract	Osteoradionecrosis (ORN) of the femoral head is an important issue for orthopedists and radiologists in clinical practice. With the rapid development of technological advances in radiation therapy and the improvement in cancer survival rates, the incidence of ORN is rising, and there is an unmet need for basic and clinical research. The pathogenesis of ORN is complex, and includes vascular injury, mesenchymal stem cell injury, bone loss, reactive oxygen species, radiation-induced fibrosis, and cell senescence. The diagnosis of ORN is challenging and requires multiple considerations, including exposure to ionizing radiation, clinical manifestations, and findings on physical examination and imaging. Differential diagnosis is essential, as clinical symptoms of ORN of the femoral head can resemble many other hip conditions. Hyperbaric oxygen therapy, total hip arthroplasty, and Girdlestone resection arthroplasty are effective treatments, each with their own advantages and disadvantages. The literature on ORN of the femoral head is incomplete and there is no criterion standard or clear consensus on management. Clinicians should gain a better and more comprehensive understanding on this disease to facilitate its early and better prevention, diagnosis, and treatment. This article aims to review the pathogenesis, diagnosis, and management of osteoradionecrosis of the femoral head.
MeSH term(s)	Humans ; Osteoradionecrosis/diagnosis ; Osteoradionecrosis/etiology ; Osteoradionecrosis/therapy ; Femur Head ; Diagnosis, Differential ; Radiation, Ionizing ; Arthroplasty, Replacement, Hip
Language	English
Publishing date	2023-06-13
Publishing country	United States
Document type	Journal Article
ZDB-ID	1439041-3
ISSN	1643-3750 ; 1234-1010
ISSN (online)	1643-3750
ISSN	1234-1010
DOI	10.12659/MSM.940264
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Article: Clinical efficacy of direct anterior approach vs. other surgical approaches for total hip arthroplasty: A systematic review and meta-analysis based on RCTs.

Zhou, Zhongsheng / Li, Yang / Peng, Yachen / Jiang, Jinlan / Zuo, Jianlin

Frontiers in surgery

2022 Volume 9, Page(s) 1022937

Abstract: Background: Direct anterior approach (DAA) is an accurate technique for total hip arthroplasty (THA) through the muscle gap. Physicians who apply DAA believe that it accelerates patient recovery and results in lower rates of postoperative dislocation. ... ...

Abstract	Background: Direct anterior approach (DAA) is an accurate technique for total hip arthroplasty (THA) through the muscle gap. Physicians who apply DAA believe that it accelerates patient recovery and results in lower rates of postoperative dislocation. However, the traditional surgical approach adherents believe that it is shorter and has fewer complications than DAA. Methods: We use the method of META analysis to organize and analyze the data of the randomized controlled studies (RCT) obtained after our screening. To compare the clinical efficacy of DAA approach and other surgical approaches for THA. Results: After rigorous screening, 15 RCT studies were included in our study, and data were extracted. The study included 1,450 patients from 15 RCTs, with a mean age of 63 years and a distribution of 52-67 years. Six weeks after the operation, the Harris hip score of the DAA approach improved by an average of 4.06 points (95% confidence interval (CI) 2.54 -5.59, Conclusion: The hip function of DAA was superior to posterolateral approach (PLA) and latera approach (LA) in the early days after hip replacement, especially within six weeks. However, at six months or more after surgery, the difference was not significant. The DAA did not show a lower rate of dislocation than other surgical approaches. Systematic review registration: https://www.crd.york.ac.uk/PROSPERO.
Language	English
Publishing date	2022-10-03
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2773823-1
ISSN	2296-875X
ISSN	2296-875X
DOI	10.3389/fsurg.2022.1022937
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Article: Individual tree crown detection from high spatial resolution imagery using a revised local maximum filtering

Xu, Xiaojun / Zhou, Zhongsheng / Tang, Yan / Qu, Yiling

Remote sensing of environment. 2021 June 01, v. 258

2021

Abstract: Accurate tree density and location are important information for optimizing the management and production of forest. Combination of remote sensing techniques and local maximum (LM) filtering algorithm provides a feasible approach to individual tree crown ...

Abstract	Accurate tree density and location are important information for optimizing the management and production of forest. Combination of remote sensing techniques and local maximum (LM) filtering algorithm provides a feasible approach to individual tree crown detection, but still faces high error under complicate canopy structure. In this study, a revised LM (RLM) algorithm is presented and evaluated for identifying individual trees from four high spatial-resolution images. Instead of a moving window technique, the RLM algorithm finds crown center seeds by searching local maximal in the transects along row and column directions of the image. Each of final crown centers is then searched using a variable window centered at the crown center seed. Strategies for splitting and merging crowns are implemented in the RLM algorithm to reduce false detection. Result showed that accuracy of the RLM algorithm was more sensitive to its minimum crown length parameter (CLmin). The RLM algorithm driven by the CLmin estimates achieved high overall accuracies between 85% and 91% and low commission (9–14%) and omission errors (8–15%) for the four images. Splitting and merging strategies implemented in the RLM algorithm effectively reduced commission and omission errors. These results indicate that the RLM algorithm is a feasible method with well-defined parameters for automatically detecting individual trees with satisfactory detection accuracy.
Keywords	algorithms ; canopy ; environment ; forests ; tree crown ; trees
Language	English
Dates of publication	2021-0601
Publishing place	Elsevier Inc.
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	431483-9
ISSN	0034-4257
ISSN	0034-4257
DOI	10.1016/j.rse.2021.112397
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Article ; Online: Exosomes secreted by mesenchymal stem cells delay brain aging by upregulating SIRT1 expression.

Zhang, Xiaowen / Liu, Te / Hou, Xuejia / Zhou, Zhongsheng / Zhang, Fuqiang / Ma, He / Wu, Xiaodong / Jiang, Jinlan

Scientific reports

2023 Volume 13, Issue 1, Page(s) 13213

Abstract: The increase in the aging population has seriously affected our society. Neurodegenerative diseases caused by aging of the brain significantly impact the normal life of the elderly, and delaying brain aging is currently the focus of research. SIRT1 is a ... ...

Abstract	The increase in the aging population has seriously affected our society. Neurodegenerative diseases caused by aging of the brain significantly impact the normal life of the elderly, and delaying brain aging is currently the focus of research. SIRT1 is a viable therapeutic target, and there is mounting evidence that it plays a significant role in the aging process. Mesenchymal stem cell-derived exosomes (MSC-Exos) have gained widespread interest as nanotherapeutic agents because of their ability to be injected at high doses to reduce the immune response. The present study focused on the ameliorative effect of MSC-Exos on aging mice and the potential mechanisms of this effect on cognitive impairment and brain aging. In this study, we first tested the neuroprotective effects of MSC-Exos in vitro on H
MeSH term(s)	Animals ; Mice ; Aging ; Brain/metabolism ; Exosomes/metabolism ; Hydrogen Peroxide/pharmacology ; Hydrogen Peroxide/metabolism ; Mesenchymal Stem Cells/metabolism ; Neuroprotective Agents/metabolism ; Sirtuin 1/genetics ; Sirtuin 1/metabolism
Chemical Substances	Hydrogen Peroxide (BBX060AN9V) ; Neuroprotective Agents ; Sirtuin 1 (EC 3.5.1.-) ; Sirt1 protein, mouse (EC 3.5.1.-)
Language	English
Publishing date	2023-08-14
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-023-40543-5
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Article: [Quantitative study of 3.0T MRI on the thickness of knee joint cartilage in healthy young people].

Li, Yang / Tang, Jin-Shuo / Zhou, Zhong-Sheng / Wang, Chen-Yu / Peng, Ya-Chen / Zuo, Jian-Lin

Zhongguo gu shang = China journal of orthopaedics and traumatology

2023 Volume 36, Issue 11, Page(s) 1065–1069

Abstract: Objective: To explore 3.0T MRI accurate measurement of knee cartilage thickness in healthy youth provides reliable anatomical parameters for quantitative diagnosis of osteoarthritis and accurate osteotomy of joint replacement.: Methods: From January ... ...

Abstract	Objective: To explore 3.0T MRI accurate measurement of knee cartilage thickness in healthy youth provides reliable anatomical parameters for quantitative diagnosis of osteoarthritis and accurate osteotomy of joint replacement. Methods: From January 2013 to December 2013, 30 healthy young volunteers including 14 males and 16 females with an average age of (25.8±2.4) years old ranging from 22 to 33 years were recruited in Changchun, Jilin Province, and a 3.0T MRI scan was performed on the bilateral knee joints of each volunteer. The cartilage thickness was measured on the lateral femoral condyle (LFC), medial femoral condyle (MFC), lateral tibial plateau (LTP) and medial tibial plateau (MTP). Results: In four regions of the knee joint:LFC, MFC, LTP and MTP, whether young men or women, there was no significant difference in cartilage thickness between the left and right knee joints ( Conclusion: In Northeast China, among healthy adults aged 22 to 33, gender difference may be an important factor in the difference of cartilage thickness in various regions of the knee joint. Regardless of whether male or female healthy young people, the cartilage thickness of the entire knee joint is unevenly distributed, but there is no significant difference in cartilage thickness in the same area between the left and right knee joints.
MeSH term(s)	Adult ; Adolescent ; Humans ; Male ; Female ; Young Adult ; Cartilage, Articular/diagnostic imaging ; Knee Joint/diagnostic imaging ; Knee Joint/surgery ; Osteoarthritis ; Magnetic Resonance Imaging ; Femur
Language	Chinese
Publishing date	2023-11-28
Publishing country	China
Document type	English Abstract ; Journal Article
ISSN	1003-0034
ISSN	1003-0034
DOI	10.12200/j.issn.1003-0034.2023.11.011
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Article ; Online: Mechanism of autophagy mediated by IGF-1 signaling pathway in the neurotoxicity of lead in pubertal rats.

Zhang, Bo / Li, Hang / Wang, Yan / Li, Yang / Zhou, Zhongsheng / Hou, Xuejia / Zhang, Xiaowen / Liu, Te

Ecotoxicology and environmental safety

2023 Volume 251, Page(s) 114557

Abstract: Lead can damage neuron synapses in the hippocampus and cause synaptic plasticity losses, and learning, memory, and intelligence impairments. Previous studies have focused on the functional and structural plasticity of hippocampal synapses; however, the ... ...

Abstract	Lead can damage neuron synapses in the hippocampus and cause synaptic plasticity losses, and learning, memory, and intelligence impairments. Previous studies have focused on the functional and structural plasticity of hippocampal synapses; however, the specific molecular mechanisms behind such impairments are not fully understood. This study aimed to elucidate the molecular mechanisms of cognitive impairment in rats following chronic lead exposure and mitigate or prevent lead toxicity in the central nervous system. We found that lead exposure caused significant damage to rat nervous systems, that is, compared with the control group, the lead treatment group had more autophagosomes in their hippocampal neurons; lower serum and hippocampal IGF-1 levels; lower hippocampal IGF-1, IGF-1R, PI3K, Akt, and mTOR gene expression; and upregulated hippocampal autophagy-associated proteins levels. Brain stereotactic technology was used to conduct autophagy inhibitor in vivo intervention experiments, and the results of these experiments suggest that the autophagy inhibitor DC661 inhibited lead-exposure-induced autophagy and autophagy-related gene expression in the rat hippocampus, possibly through activation of the IGF-1 pathway. Overall, our findings suggest that lead might activate hippocampal autophagy through the IGF-1/PI3K/Akt/mTOR signaling pathway. Therefore, this study provides a novel molecular mechanism underlying developmental toxicity in pubertal rats induced by lead exposure and provides a new target for anticipation and reversal of such neurotoxicity.
MeSH term(s)	Rats ; Animals ; Proto-Oncogene Proteins c-akt/metabolism ; Insulin-Like Growth Factor I/genetics ; Insulin-Like Growth Factor I/metabolism ; Phosphatidylinositol 3-Kinases/metabolism ; Lead/toxicity ; Lead/metabolism ; Signal Transduction ; TOR Serine-Threonine Kinases/genetics ; TOR Serine-Threonine Kinases/metabolism ; Hippocampus/metabolism ; Autophagy
Chemical Substances	Proto-Oncogene Proteins c-akt (EC 2.7.11.1) ; Insulin-Like Growth Factor I (67763-96-6) ; Phosphatidylinositol 3-Kinases (EC 2.7.1.-) ; Lead (2P299V784P) ; TOR Serine-Threonine Kinases (EC 2.7.11.1)
Language	English
Publishing date	2023-01-16
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	436536-7
ISSN	1090-2414 ; 0147-6513
ISSN (online)	1090-2414
ISSN	0147-6513
DOI	10.1016/j.ecoenv.2023.114557
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Article ; Online: AMPK Promotes Larval Metamorphosis of Mytilus coruscus

Zhang, Wen / Wang, Yuyi / Hu, Xiaomeng / Zhou, Zhongsheng / Zhu, Youting / Liang, Xiao / Yang, Jin-Long

Genes (Basel). 2022 Dec. 16, v. 13, no. 12

2022

Abstract: Metamorphosis is a critical process in the transition from planktonic life to benthic life for marine invertebrates, which is accompanied by a large amount of energy consumption. Previous studies have proved that AMP-activated protein kinase (AMPK), as a ...

Abstract	Metamorphosis is a critical process in the transition from planktonic life to benthic life for marine invertebrates, which is accompanied by a large amount of energy consumption. Previous studies have proved that AMP-activated protein kinase (AMPK), as a vital energy regulator, plays a prominent role in mediating the growth and development of terrestrial animals. However, its function in the growth and development of marine invertebrates, especially in metamorphosis, remains elusive. This study explored the function of AMPK in the larval metamorphosis of Mytilus coruscus. The full-length cDNA of AMPK genes in M. coruscus was cloned and characterized, which is composed of three subunits, McAMPKα, McAMPKβ, and McAMPKγ. Pharmacological tests demonstrated that through the application of an AMPK activator, AMP substantially enhanced the larval metamorphosis rate (p < 0.05). By contrast, the larval metamorphosis rate decreased significantly after being treated with the AMPK inhibitor Compound C (p < 0.05). McAMPK gene knock-down resulted in a reduction in McAMPK gene expression (p < 0.05), and the larval metamorphosis of M. coruscus was significantly restrained (p < 0.05). These results indicated that AMPK signaling is vital in the larval metamorphosis of M. coruscus, which advances further understanding in exploring the molecular mechanisms in the metamorphosis of marine invertebrate larvae.
Keywords	AMP-activated protein kinase ; Mytilus coruscus ; energy ; gene expression ; genes ; invertebrates ; larvae ; metamorphosis ; plankton
Language	English
Dates of publication	2022-1216
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2527218-4
ISSN	2073-4425
ISSN	2073-4425
DOI	10.3390/genes13122384
Database	NAL-Catalogue (AGRICOLA)

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Article: Global Vegetation Photosynthetic Phenology Products Based on MODIS Vegetation Greenness and Temperature: Modeling and Evaluation

Xu, Xiaojun / Tang, Yan / Qu, Yiling / Zhou, Zhongsheng / Hu, Junguo

Remote Sensing. 2021 Dec. 14, v. 13, no. 24

2021

Abstract: Land surface phenology (LSP) products that are derived from different data sources have different definitions and biophysical meanings. Discrepancies among these products and their linkages with carbon fluxes across plant functional types and climatic ... ...

Abstract	Land surface phenology (LSP) products that are derived from different data sources have different definitions and biophysical meanings. Discrepancies among these products and their linkages with carbon fluxes across plant functional types and climatic regions remain somewhat unclear. In this study, to differentiate LSP related to gross primary production (GPP) from LSP related to remote sensing data, we defined the former as vegetation photosynthetic phenology (VPP), including the starting and ending days of GPP (SOG and EOG, respectively). Specifically, we estimated VPP based on a combination of observed VPP from 145 flux-measured GPP sites together with the vegetation index and temperature data from MODIS products using multiple linear regression models. We then compared VPP estimates with MODIS LSP on a global scale. Our results show that the VPP provided better estimates of SOG and EOG than MODIS LSP, with a root mean square error (RMSE) for SOG of 12.7 days and a RMSE for EOG of 10.5 days. The RMSE was approximately three weeks for both SOG and EOG estimates of the non-forest type. Discrepancies between VPP and LSP estimates varied across plant functional types (PFTs) and climatic regions. A high correlation was observed between VPP and LSP estimates for deciduous forest. For most PFTs, using VPP estimates rather than LSP improved the estimation of GPP. This study presents a useful method for modeling global VPP, investigates in detail the discrepancies between VPP and LSP, and provides a more effective global vegetation phenology product for carbon cycle modeling than the existing ones.
Keywords	carbon ; carbon cycle ; deciduous forests ; gross primary productivity ; phenology ; photosynthesis ; regression analysis ; temperature ; vegetation index
Language	English
Dates of publication	2021-1214
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2513863-7
ISSN	2072-4292
ISSN	2072-4292
DOI	10.3390/rs13245080
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Article: Estimating Leaf Chlorophyll Content of Moso Bamboo Based on Unmanned Aerial Vehicle Visible Images

Xu, Huaixing / Wang, Juzhong / Qu, Yiling / Hu, Lulu / Tang, Yan / Zhou, Zhongsheng / Xu, Xiaojun / Zhou, Yufeng

Remote Sensing. 2022 June 15, v. 14, no. 12

2022

Abstract: Leaf chlorophyll content is an important indicator of the physiological and ecological functions of plants. Accurate estimation of leaf chlorophyll content is necessary to understand energy, carbon, and water exchange between plants and the atmosphere. ... ...

Abstract	Leaf chlorophyll content is an important indicator of the physiological and ecological functions of plants. Accurate estimation of leaf chlorophyll content is necessary to understand energy, carbon, and water exchange between plants and the atmosphere. The leaf chlorophyll content index (CCI) of 109 Moso bamboo samples (19 for training data, 19 for validation data, and 71 for extrapolation data) was measured from December 2019 to May 2021, while their corresponding red–green–blue (RGB) images were acquired using an unmanned aerial vehicle (UAV) platform. A method for estimating leaf CCI based on constructing relationships between field leaf CCI measurements and UAV RGB images was evaluated. The results showed that a modified excess blue minus excess red index and 1.4 × H-S in the hue–saturation–value (HSV) color space were the most suitable variables for estimating the leaf CCI of Moso bamboo. No noticeable difference in accuracy between the linear regression model and backpropagation neural network (BPNN) model was found. Both models performed well in estimating leaf CCI, with an R² > 0.85 and relative root mean square error (RMSEr) < 15.0% for the validation data. Both models failed to accurately estimate leaf CCI during the leaf-changing period (April to May in off-year), with the problems being overestimation in low leaf CCI and underestimation in high leaf CCI values. At a flight height of 120 m and illumination between 369 and 546 W/m², the CCI for an independent sample dataset was accurately estimated by the models, with an R² of 0.83 and RMSEr of 13.78%. Flight height and solar intensity played a role in increasing the generality of the models. This study provides a feasible and straightforward method to estimate the leaf CCI of Moso bamboo based on UAV RGB images.
Keywords	Phyllostachys edulis ; carbon ; color ; data collection ; energy ; flight ; leaf chlorophyll content ; leaves ; lighting ; models ; regression analysis ; unmanned aerial vehicles
Language	English
Dates of publication	2022-0615
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2513863-7
ISSN	2072-4292
ISSN	2072-4292
DOI	10.3390/rs14122864
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