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Yanlu Xiong

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https://www.readbyqxmd.com/read/30499355/cerebrolysin-reduces-astrogliosis-and-axonal-injury-and-enhances-neurogenesis-in-rats-after-closed-head-injury
#1
Yanlu Zhang, Michael Chopp, Zheng Gang Zhang, Yi Zhang, Li Zhang, Mei Lu, Talan Zhang, Stefan Winter, Edith Doppler, Hemma Brandstäetter, Asim Mahmood, Ye Xiong
BACKGROUND: Cerebrolysin is a neuropeptide preparation with neuroprotective and neurotrophic properties. Our previous study demonstrates that cerebrolysin significantly improves functional recovery in rats after mild traumatic brain injury (mTBI). OBJECTIVE: To determine histological outcomes associated with therapeutic effects of cerebrolysin on functional recovery after TBI. METHODS: In this prospective, randomized, blinded, and placebo-controlled study, adult Wistar rats with mild TBI induced by a closed head impact were randomly assigned to one of the cerebrolysin dose groups (0...
November 30, 2018: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/30403008/lactate-dehydrogenase-a-a-key-player-in-carcinogenesis-and-potential-target-in-cancer-therapy
#2
REVIEW
Yangbo Feng, Yanlu Xiong, Tianyun Qiao, Xiaofei Li, Lintao Jia, Yong Han
Elevated glycolysis remains a universal and primary character of cancer metabolism, which deeply depends on dysregulated metabolic enzymes. Lactate dehydrogenase A (LDHA) facilitates glycolytic process by converting pyruvate to lactate. Numerous researches demonstrate LDHA has an aberrantly high expression in multiple cancers, which is associated with malignant progression. In this review, we summarized LDHA function in cancer research. First, we gave an introduction of structure, location, and basic function of LDHA...
November 6, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/30146015/flexibility-in-metabolism-bestows-tenacious-viability-on-cancer
#3
REVIEW
Yanlu Xiong, Lei Wang, Yangbo Feng, Xiaofei Li, Lintao Jia, Yong Han
Cancer cells display altered metabolism distinct from non-transformed cells, which is correlated closely with malignant biocharacteristics. Flexibility remains the central feature of metabolic alteration, enabling cancer cells to survive and thrive in the challenge of inner and outer environments. In this review, we summarise how cancer reprogrammes its metabolism nimbly and adaptively. To begin with, cancer cells adapt metabolism cunningly to supply sufficient materials and energy for infinite proliferation...
September 1, 2018: Life Sciences
https://www.readbyqxmd.com/read/30014757/a-small-molecule-spinogenic-compound-enhances-functional-outcome-and-dendritic-spine-plasticity-in-a-rat-model-of-traumatic-brain-injury
#4
Yanlu Zhang, Michael Chopp, Christopher S Rex, Vincent F Simmon, Stella T Sarraf, Zheng Gang Zhang, Asim Mahmood, Ye Xiong
The tetra (ethylene glycol) derivative of benzothiazole aniline (SPG101) has been shown to improve dendritic spine density and cognitive memory in the triple transgenic mouse model of Alzheimer disease (AD) when administered intraperitoneally. The present study was designed to investigate the therapeutic effects of SPG101 on dendritic spine density and morphology and sensorimotor and cognitive functional recovery in a rat model of traumatic brain injury (TBI) induced by controlled cortical impact (CCI). Young adult male Wistar rats with CCI were randomly divided into the following two groups (n = 7/group): (1) Vehicle, and (2) SPG101...
September 6, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29690826/mesenchymal-stem-cell-derived-exosomes-provide-neuroprotection-and-improve-long-term-neurologic-outcomes-in-a-swine-model-of-traumatic-brain-injury-and-hemorrhagic-shock
#5
Aaron M Williams, Isabel S Dennahy, Umar F Bhatti, Ihab Halaweish, Ye Xiong, Panpan Chang, Vahagn C Nikolian, Kiril Chtraklin, Jordana Brown, Yanlu Zhang, Zheng Gang Zhang, Michael Chopp, Benjamin Buller, Hasan B Alam
Combined traumatic brain injury (TBI) and hemorrhagic shock (HS) remains a leading cause of preventable death worldwide. Mesenchymal stem cell-derived exosomes have demonstrated promise in small animal models of neurologic injury. To investigate the effects of exosome treatment in a clinically realistic large animal model, Yorkshire swine underwent TBI and HS. Animals were maintained in shock for 2 h before resuscitation with normal saline (NS). Animals were then resuscitated either with NS (3 × volume of shed blood) or with the same volume of NS with delayed exosome administration (1 × 1013 particles/4 mL) (n = 5/cohort)...
July 30, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29541420/long-non-coding-rnas-function-as-novel-predictors-and-targets-of-non-small-cell-lung-cancer-a-systematic-review-and-meta-analysis
#6
Yanlu Xiong, Tao Wang, Mingxing Wang, Jinbo Zhao, Xiaofei Li, Zhipei Zhang, Yongsheng Zhou, Jiabao Liu, Lintao Jia, Yong Han
Objectives: Non-small cell lung cancer (NSCLC) is associated with high morbidity and mortality, leading the understanding the pathogenesis paramount. Recent studies suggest that long non-coding RNAs (lncRNAs) play an important role in NSCLC. We conducted a systematic review to examine the relationship between lncRNAs and NSCLC. Materials and Methods: We calculated hazard ratios (HRs) and 95% confidence intervals (CIs) to estimate overall survival (OS), and odds ratios (ORs) and 95% CIs to assess clinicopathological parameters...
February 16, 2018: Oncotarget
https://www.readbyqxmd.com/read/29303438/prospective-randomized-blinded-and-placebo-controlled-study-of-cerebrolysin-dose-response-effects-on-long-term-functional-outcomes-in-a-rat-model-of-mild-traumatic-brain-injury
#7
Yanlu Zhang, Michael Chopp, Zheng Gang Zhang, Yi Zhang, Li Zhang, Mei Lu, Talan Zhang, Stefan Winter, Hemma Brandstätter, Asim Mahmood, Ye Xiong
OBJECTIVE Cerebrolysin is a neuropeptide preparation that mimics the properties of neurotrophic factors and has had beneficial effects in the treatment of neurodegenerative diseases, stroke, and traumatic brain injury (TBI). To further evaluate treatment schemes, the authors assessed the dose-response of Cerebrolysin on functional improvement in a rat model of mild TBI (mTBI). METHODS This dose-response study was a prospective, randomized, blinded, and placebo-controlled preclinical experiment. Male Wistar adult rats, subjected to mTBI induced by a closed head impact, were treated randomly with 0 (saline as placebo), 0...
January 5, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29229597/nkx2-2as-suppression-contributes-to-the-pathogenesis-of-sonic-hedgehog-medulloblastoma
#8
Yimeng Zhang, Ting Wang, Shan Wang, Yanlu Xiong, Rui Zhang, Xiang Zhang, Jing Zhao, An-Gang Yang, Lei Wang, Lintao Jia
Aberrant Hedgehog signaling and excessive activation of the Gli family of transcriptional activators are key drivers of medulloblastoma (MB), the most common human pediatric brain malignancy. MB originates mainly from cerebellar granule neuron progenitors (CGNP), but the mechanisms underlying CGNP transformation remain largely obscure. In this study, we found that suppression of the noncoding RNA Nkx2-2as promoted Sonic Hedgehog (Shh)-potentiated MB development. Nkx2-2as functioned as a competing endogenous RNA against miR-103 and miR-107, sequestering them and thereby derepressing their tumor suppressive targets BTG2 and LATS1 and impeding cell division and migration...
February 15, 2018: Cancer Research
https://www.readbyqxmd.com/read/29121826/treatment-of-traumatic-brain-injury-with-vepoloxamer-purified-poloxamer-188
#9
Yanlu Zhang, Michael Chopp, Martin Emanuele, Li Zhang, Zheng Gang Zhang, Mei Lu, Talan Zhang, Asim Mahmood, Ye Xiong
Vepoloxamer is an amphipathic polymer that has shown potent hemorrheologic, cytoprotective, and anti-inflammatory effects in both pre-clinical and clinical studies. This study was designed to investigate the therapeutic effects of vepoloxamer on sensorimotor and cognitive functional recovery in rats after traumatic brain injury (TBI) induced by controlled cortical impact. Young adult male Wistar rats were randomly divided into the following groups: 1) sham; 2) saline; or 3) vepoloxamer. Vepoloxamer (300 mg/kg) or saline was administered over 60 min via intravenous infusion into tail veins starting at 2 h post-injury...
February 15, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29103158/sirt3-deacetylates-and-promotes-degradation-of-p53-in-pten-defective-non-small-cell-lung-cancer
#10
Yanlu Xiong, Lei Wang, Shan Wang, Mingxing Wang, Jinbo Zhao, Zhipei Zhang, Xiaofei Li, Lintao Jia, Yong Han
PURPOSE: In non-small cell lung cancer (NSCLC), success of targeted therapy has promoted researches explicitly orientated based on genetic background. Although PTEN deficiency is common in NSCLC, carcinogenesis about such genetic type has not been fully explored. Here, we have found that classical tumor suppressor P53 could be modulated by deacetylase sirtuin-3 (SIRT3) depending on the PTEN condition in NSCLC, which may be a novel breakpoint for handling PTEN deficiency NSCLC. METHODS: First, we examined SIRT3 and P53 expression files in PTEN-deficient NSCLC clinical samples and investigated their correlation...
February 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28245754/treatment-of-traumatic-brain-injury-in-rats-with-n-acetyl-seryl-aspartyl-lysyl-proline
#11
Yanlu Zhang, Zheng Gang Zhang, Michael Chopp, Yuling Meng, Li Zhang, Asim Mahmood, Ye Xiong
OBJECTIVE The authors' previous studies have suggested that thymosin beta 4 (Tβ4), a major actin-sequestering protein, improves functional recovery after neural injury. N-acetyl-seryl-aspartyl-lysyl-proline (AcSDKP) is an active peptide fragment of Tβ4. Its effect as a treatment of traumatic brain injury (TBI) has not been investigated. Thus, this study was designed to determine whether AcSDKP treatment improves functional recovery in rats after TBI. METHODS Young adult male Wistar rats were randomly divided into the following groups: 1) sham group (no injury); 2) TBI + vehicle group (0...
March 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28197634/sirt3-is-correlated-with-the-malignancy-of-non-small-cell-lung-cancer
#12
Yanlu Xiong, Mingxing Wang, Jinbo Zhao, Lei Wang, Xiaofei Li, Zhipei Zhang, Lintao Jia, Yong Han
The mitochondrial deacetylase SIRT3 plays a pivotal role in the initiation and the progression of certain cancers acting as an oncogene. However, in others it acts anti-oncogenically. Its conflicting action is possibly due to the different key proteins it modifies depending on the context of active intracellular signaling pathways in different cancers. SIRT3 is thus a novel target for preventing and treating cancer. In the present study, we explored the function of SIRT3 in non-small cell lung cancer (NSCLC) with the aim of elucidating the underlying mechanisms...
March 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/27840909/sirtuin-3-a-janus-face-in-cancer-review
#13
REVIEW
Yanlu Xiong, Mingxing Wang, Jinbo Zhao, Yong Han, Lintao Jia
The NAD-dependent protein deacetylase sirtuin 3 (SIRT3) is an enzyme localized primarily in the mitochondrion, where it modulates cellular functions such as nutrient metabolism, ATP balance, antioxidant machinery, and other mechanisms fundamental to mitochondria. SIRT3 is closely associated with the pathogenesis of diverse disorders. In particular, it plays a dual role in the development and progression of cancer. In many cancers, SIRT3 acts as an oncogene by promoting or maintaining the malignant phenotypes of neoplastic cells, including uncontrolled proliferation, resistance to apoptosis, and increased motility or invasiveness; however, SIRT3 suppresses these phenotypes in certain types of malignancy...
December 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27539657/systemic-administration-of-cell-free-exosomes-generated-by-human-bone-marrow-derived-mesenchymal-stem-cells-cultured-under-2d-and-3d-conditions-improves-functional-recovery-in-rats-after-traumatic-brain-injury
#14
Yanlu Zhang, Michael Chopp, Zheng Gang Zhang, Mark Katakowski, Hongqi Xin, Changsheng Qu, Meser Ali, Asim Mahmood, Ye Xiong
Multipotent human bone marrow derived mesenchymal stem cells (hMSCs) improve functional outcome after experimental traumatic brain injury (TBI). The present study was designed to investigate whether systemic administration of cell-free exosomes generated from hMSCs cultured in 2-dimensional (2D) conventional conditions or in 3-dimensional (3D) collagen scaffolds promote functional recovery and neurovascular remodeling in rats after TBI. Wistar rats were subjected to TBI induced by controlled cortical impact; 24 h later tail vein injection of exosomes derived from hMSCs cultured under 2D or 3D conditions or an equal number of liposomes as a treatment control were performed...
December 2017: Neurochemistry International
https://www.readbyqxmd.com/read/27387991/diabetes-mellitus-impairs-cognitive-function-in-middle-aged-rats-and-neurological-recovery-in-middle-aged-rats-after-stroke
#15
Li Zhang, Michael Chopp, Yanlu Zhang, Ye Xiong, Chao Li, Neema Sadry, Imane Rhaleb, Mei Lu, Zheng Gang Zhang
BACKGROUND AND PURPOSE: Diabetes mellitus (DM) is a common metabolic disease among the middle-aged and older population, which leads to an increase of stroke incidence and poor stroke recovery. The present study was designed to investigate the impact of DM on brain damage and on ischemic brain repair after stroke in aging animals. METHODS: DM was induced in middle-aged rats (13 months) by administration of nicotinamide and streptozotocin. Rats with confirmed hyperglycemia status 30 days after nicotinamide-streptozotocin injection and age-matched non-DM rats were subjected to embolic middle cerebral artery occlusion...
August 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27203137/treatment-of-traumatic-brain-injury-in-rats-with-n-acetyl-seryl-aspartyl-lysyl-proline
#16
Yanlu Zhang, Zheng Gang Zhang, Michael Chopp, Yuling Meng, Li Zhang, Asim Mahmood, Ye Xiong
OBJECTIVE The authors' previous studies have suggested that thymosin beta 4 (Tβ4), a major actin-sequestering protein, improves functional recovery after neural injury. N-acetyl-seryl-aspartyl-lysyl-proline (AcSDKP) is an active peptide fragment of Tβ4. Its effect as a treatment of traumatic brain injury (TBI) has not been investigated. Thus, this study was designed to determine whether AcSDKP treatment improves functional recovery in rats after TBI. METHODS Young adult male Wistar rats were randomly divided into the following groups: 1) sham group (no injury); 2) TBI + vehicle group (0...
May 20, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/25727893/investigational-agents-for-treatment-of-traumatic-brain-injury
#17
REVIEW
Ye Xiong, Yanlu Zhang, Asim Mahmood, Michael Chopp
INTRODUCTION: Traumatic brain injury (TBI) is a major cause of death and disability worldwide. To date, there are no pharmacologic agents proven to improve outcomes from TBI because all the Phase III clinical trials in TBI have failed. Thus, there is a compelling need to develop treatments for TBI. AREAS COVERED: The following article provides an overview of select cell-based and pharmacological therapies under early development for the treatment of TBI. These therapies seek to enhance cognitive and neurological functional recovery through neuroprotective and neurorestorative strategies...
June 2015: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/25614944/cerebrolysin-improves-cognitive-performance-in-rats-after-mild-traumatic-brain-injury
#18
Yanlu Zhang, Michael Chopp, Yuling Meng, Zheng Gang Zhang, Edith Doppler, Stefan Winter, Timothy Schallert, Asim Mahmood, Ye Xiong
OBJECT: Long-term memory deficits occur after mild traumatic brain injuries (mTBIs), and effective treatment modalities are currently unavailable. Cerebrolysin, a peptide preparation mimicking the action of neurotrophic factors, has beneficial effects on neurodegenerative diseases and brain injuries. The present study investigated the long-term effects of Cerebrolysin treatment on cognitive function in rats after mTBI. METHODS: Rats subjected to closed-head mTBI were treated with saline (n = 11) or Cerebrolysin (2...
April 2015: Journal of Neurosurgery
https://www.readbyqxmd.com/read/25594326/effect-of-exosomes-derived-from-multipluripotent-mesenchymal-stromal-cells-on-functional-recovery-and-neurovascular-plasticity-in-rats-after-traumatic-brain-injury
#19
Yanlu Zhang, Michael Chopp, Yuling Meng, Mark Katakowski, Hongqi Xin, Asim Mahmood, Ye Xiong
OBJECT: Transplanted multipotent mesenchymal stromal cells (MSCs) improve functional recovery in rats after traumatic brain injury (TBI). In this study the authors tested a novel hypothesis that systemic administration of cell-free exosomes generated from MSCs promotes functional recovery and neurovascular remodeling in rats after TBI. METHODS: Two groups of 8 Wistar rats were subjected to TBI, followed 24 hours later by tail vein injection of 100 μg protein of exosomes derived from MSCs or an equal volume of vehicle (phosphate-buffered saline)...
April 2015: Journal of Neurosurgery
https://www.readbyqxmd.com/read/25184365/subacute-intranasal-administration-of-tissue-plasminogen-activator-promotes-neuroplasticity-and-improves-functional-recovery-following-traumatic-brain-injury-in-rats
#20
Yuling Meng, Michael Chopp, Yanlu Zhang, Zhongwu Liu, Aaron An, Asim Mahmood, Ye Xiong
Traumatic brain injury (TBI) is a major cause of death and long-term disability worldwide. To date, there are no effective pharmacological treatments for TBI. Recombinant human tissue plasminogen activator (tPA) is the effective drug for the treatment of acute ischemic stroke. In addition to its thrombolytic effect, tPA is also involved in neuroplasticity in the central nervous system. However, tPA has potential adverse side effects when administered intravenously including brain edema and hemorrhage. Here we report that tPA, administered by intranasal delivery during the subacute phase after TBI, provides therapeutic benefit...
2014: PloS One
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