Yuanyuan Li

ORCID: 0000-0003-2827-329X
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Research Areas
  • Head and Neck Cancer Studies
  • Lung Cancer Research Studies
  • Lung Cancer Diagnosis and Treatment
  • Spaceflight effects on biology
  • Circadian rhythm and melatonin
  • Brain Metastases and Treatment
  • Neuroscience and Neuropharmacology Research
  • Neuroinflammation and Neurodegeneration Mechanisms
  • Radiomics and Machine Learning in Medical Imaging
  • Stress Responses and Cortisol
  • MRI in cancer diagnosis
  • Effects of Radiation Exposure
  • Inflammation biomarkers and pathways
  • Inflammasome and immune disorders
  • Gastrointestinal motility and disorders
  • Nanoplatforms for cancer theranostics
  • Immune cells in cancer
  • Plasmonic and Surface Plasmon Research
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Medicinal Plant Pharmacodynamics Research
  • Cancer-related gene regulation
  • Neurogenesis and neuroplasticity mechanisms
  • Chemokine receptors and signaling
  • Neural dynamics and brain function
  • Galectins and Cancer Biology

Guiyang Medical University
2016-2025

Affiliated Hospital of Guizhou Medical University
2016-2025

Shandong Normal University
2025

Soochow University
2024

Tianjin Medical University
2020

Central South University
2020

Nanjing Tech University
2020

Shanghai Center For Bioinformation Technology
2008-2019

Guizhou Cancer Hospital
2012-2019

Nanjing Medical University
2019

Ferulic acid (FA) is a derivative of cinnamic acid. It used in the treatment heart head blood-vessel disease and exerts protective effects against hypoxia/ischemia-induced cell injury brain. This study investigated potential neuroprotective FA ischemia/reperfusion (I/R)-induced brain vivo vitro through hematoxylin eosin (H&E) Nissl staining assays, flow cytometry, Hoechst 33258 staining, quantitative PCR, western blot analysis fluorescence microscopic analysis. In this study, models cerebral...

10.3892/ijmm.2017.3127 article EN cc-by-nc-nd International Journal of Molecular Medicine 2017-09-07

Abstract Engrailed-2 (EN2), a member of the engrailed homeobox family, has been shown to be abnormally expressed in variety cancers. However, expression and clinical significance EN2 colorectal cancer (CRC) are largely unknown. Firstly, we found that acted as an oncogene CRC. was upregulated tissues compared with adjacent normal tissues. Higher significantly associated poorer survival rate. Knockdown markedly inhibited proliferation migration capacities SW480 cells vitro, suppressed...

10.1038/s41419-020-02804-3 article EN cc-by Cell Death and Disease 2020-07-30

Purpose: Analyze the incidence and risk factors of thyroid dysfunction in patients with advanced nasopharyngeal carcinoma (LA-NPC) after intensity-modulated radiotherapy (IMRT) PD⁃1 inhibitor treatment their relationship efficacy prognosis. Methods: Eighty-five LA-NPC treated IMRT PD-1 inhibitors were retrospectively collected from March 1, 2019, to May 30, 2022. The combination therapy was analyzed. Kaplan–Meier method used analyze between patient Logistic regression analysis screen...

10.2147/tcrm.s489899 article EN cc-by-nc Therapeutics and Clinical Risk Management 2025-01-01

BMAL1 is a core circadian clock gene that expressed rhythmically in variety of tumor cells and related to cancer cell proliferation chemoradiotherapy sensitivity. Radiotherapy plays an important role the treatment nasopharyngeal carcinoma (NPC). However, rhythmicity NPC, as well its precise radiotherapy, remains unclear. We assessed changes expression over 48 h NPC normal epithelial NP69 using real-time quantitative polymerase chain reaction (RT-PCR) western blotting (WB). Then, we induced...

10.1080/07420528.2022.2105708 article EN Chronobiology International 2022-07-28

Aging | doi:10.18632/aging.205563. Chaofen Zhao, Lina Liu, Qianyong He, Yuanyuan Li, Jianglong Feng, Yue Chen, Yuxin Xinyu Xu, Shaoyuan Zhu, Yuanmei Ye, Yajing Wen, Zhirui Zeng, Ding'an Zhou, Feng Jin

10.18632/aging.205563 article ID cc-by Aging 2024-02-19

The present study comprised a series of experiments to investigate the mechanism underlying effect ginsenoside on self-renewal, proliferation and differentiation neural stem cells (NSCs) undergoing oxygen-glucose deprivation/reperfusion (OGD/R) in vitro. NSCs, which were isolated from hippocampus embryonic day 17 embryo rats, subjected OGD/R establish an vitro model brain ischemia-reperfusion, following different doses administered model. NSCs was determined using MTT colorimetry...

10.3892/ijmm.2017.3253 article EN cc-by-nc-nd International Journal of Molecular Medicine 2017-11-13

We investigated the relationship between head and neck squamous cell carcinoma (HNSCC) mRNA protein expression levels of circadian genes Period (Per) family, Per1, Per2 Per3. Tissue sections HNSCC normal tissues from two patient cohorts different hospitals were collected to assess expressions three Per family using real-time quantitative PCR (RT-PCR) immunohistochemistry (IHC). The clinicopathological features disease prognosis for latter cohort analyzed through IHC statistical methods....

10.1080/07420528.2019.1648486 article EN Chronobiology International 2019-10-14

Abstract Background Anxiety is a common disorder with high social burden worldwide. Dysfunction of serotonin‐ 1A receptor (5‐HT receptor) in the dentate gyrus (DG) hippocampus has been predominantly implicated anxiety behavior. However, molecular mechanism underlying deficiency postsynaptic 5‐HT regulating behavior remains unclear. Methods Using pharmacological and genetic methods, we investigated role detate nNOS decline induced by chronic mild stress (CMS) mice. Results Here showed that...

10.1111/cns.13269 article EN cc-by CNS Neuroscience & Therapeutics 2019-12-21

Circadian clocks are endogenous time-keeping systems that temporally organize biological processes. Gating of cell cycle events by a circadian clock is universal observation currently considered mechanism serving to protect DNA from diurnal exposure ultraviolet radiation or other mutagens. In this study, we put forward another possibility: such gating helps insulate the perturbations induced transcriptional inhibition during M phase cycle. We introduced periodic pulse into previously...

10.1371/journal.pcbi.1000019 article EN cc-by PLoS Computational Biology 2008-03-27

To investigate the involvement of circadian clock gene BMAL1 in regulating radiosensitivity nasopharyngeal carcinoma (NPC). The regulatory role NPC radiotherapy was investigated using 44 cases and cell line CNE2, which had been genetically modified to either overexpress or silence BMAL1. Infected CNE2 cells were divided into four groups, including those with overexpression RNA interference (RNAi), as well their respective control groups. group responses different doses examined. 5-year...

10.1016/j.jrras.2024.100933 article EN cc-by-nc-nd Journal of Radiation Research and Applied Sciences 2024-04-22

e18003 Background: This study aimed to evaluate 5-year outcomes and the late toxicity profile of chrono-chemotherapy with different infusion rates in patients locally advanced nasopharyngeal carcinoma (NPC). Methods: Our retrospective analysis included 70 NPC stages III IVB (according 2010 American Joint Committee on Cancer staging system). Patients were treated two cycles induction chemotherapy (IC) before concurrent chemoradiotherapy (CCRT) at affiliated cancer hospital Guizhou medical...

10.1200/jco.2024.42.16_suppl.e18003 article EN Journal of Clinical Oncology 2024-06-01

Objective To assess the antiangiogenic role of recombinant human endostatin combined with chemoradiotherapy and capacity, to explore early tumor response as measured by comparing change MRI perfusion parameter. Methods From May 2012 March 2013, 22 locally advanced nasopharyngeal carcinoma patients who received following induction chemotherapy, were included in prospective study group. The other 25 patients, chemotherapy alone same period, control parameters including blood volume(BV),...

10.3760/cma.j.issn.0254-5098.2017.04.005 article EN Zhonghua fangshe yixue yu fanghu zazhi 2017-04-25

Objective To evaluate the differences of toxicities, therapeutic efficacy and immune function between induction chemotherapy followed by sinusoidal chrono-modulated infusion flat intermittent cisplatin(DDP)with intensity-modulated radiotherapy (IMRT) in patients with locoregionally advanced nasopharyngeal carcinoma (NPC). Methods Seventy biopsy- diagnosed stages Ⅲ ⅣB NPC (according to 2010 UICC staging system) were treated two-cycle before chemoradiotherapy Guizhou Cancer Hospital....

10.3760/cma.j.issn.0254-5098.2018.04.007 article EN Zhonghua fangshe yixue yu fanghu zazhi 2018-04-25

Objective To investigate the delineation primary lesions of gross tumor volume (GTVnx) in locally advanced nasopharyngeal carcinoma (LANC). Methods During 2012–2013, 52 patients with LANC treated two-three cycles induction chemotherapy accepted CT simulation and MRI scans same treatment position. All images T1W1 sequence were collected transmitted to planning system. The target was delineated through images. Meanwhile, metastatic lymph nodes, CTV1, CTV2 organs at risk(OAR) alone. from...

10.3760/cma.j.issn.0254-5098.2016.02.007 article EN Zhonghua fangshe yixue yu fanghu zazhi 2016-02-25

6000 Background: Patients with N2-3 nasopharyngeal carcinoma have a high risk of failures, despite the current practice concurrent adjuvant cisplatin-5-fluorouracil (PF) regime. Adjuvant PF regimen may not be adequate for tumor control patients, emphasizing need more effective chemotherapy in carcinoma. Methods: We conducted this multicentre, open-label, phase 3, randomised, controlled trial four centers China. aged 18–65 years stage T1–4N2–3 were randomly assigned (1:1) to receive cisplatin...

10.1200/jco.2023.41.16_suppl.6000 article EN Journal of Clinical Oncology 2023-06-01

Objective To investigate the delineation of gross tumor volume (GTV) in locally advanced nasopharyngeal carcinoma (LANC) according to imageological changes before and after induction chemotherapy (IC) order decrease high dose area protect normal tissue better.Methods Between Mar 2010 Jan 2011,11 patients with LANC were enrolled treated TPF regimen followed by intensity-modulated radiotherapy (IMRT) concurrent chemotherapy,target volumes delineated based on fused CT imaging IC following...

10.3760/cma.j.issn.1004-4221.2012.05.005 article EN Zhonghua fangshe zhongliuxue zazhi 2012-09-15

Objective To evaluate the therapeutic effects,acute and late side-effects of cisplatin plus 5-fluorouracil (PF) schemed chronomodulated chemotherapy combined with concurrent intensitymodulated radiotherapy(IMRT) for nasopharyngeal carcinoma.Methods A total 48 carcinoma patients treated IMRT were retrospectively studied.The radiation doses prescribed to gross target volume GTVnx nasopharyngeal,to positive neck lymphnodes GTVnd,to clinical CTV1,and CTV2 73.92-77.88,69.96,60.06-66.00...

10.3760/cma.j.issn.0254-5098.2012.05.012 article EN Zhonghua fangshe yixue yu fanghu zazhi 2012-10-25
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