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https://www.readbyqxmd.com/read/30108995/antitumor-effects-of-melanin-from-lachnum-ym226-and-its-derivative-in-h22-tumor-bearing-mice
#1
Fang Shi, Jinglei Li, Ziyang Ye, Liuqing Yang, Tingting Chen, Xue Chen, Ming Ye
In the present study, we investigated the anti-tumor activities of the intracellular homogeneous melanin (LM) of Lachnum YM226 and its derivative (ALM) on liver cancer using murine H22 hepatocarcinoma model. The results showed that LM and ALM (50 and 200 mg kg-1 ) could effectively inhibit tumor growth of H22 tumour-bearing mice. The body weight, liver, spleen and thymus indices also improved in the LM and ALM treated groups. Moreover, the levels of alanine aminotransferase (ALT), aspartate aminotransaminase (AST), alkaline phosphatase (ALP), creatinine (CRE), blood urea nitrogen (BUN) and uric acid (UA) were lowered...
June 1, 2018: MedChemComm
https://www.readbyqxmd.com/read/30083950/pro-inflammatory-cytokines-and-growth-factors-in-human-milk-an-exploratory-analysis-of-racial-differences-to-inform-breast-cancer-etiology
#2
Jeanne Murphy, Ruth M Pfeiffer, Brittny C Davis Lynn, Ana I Caballero, Eva P Browne, Elizabeth C Punska, Hannah P Yang, Roni T Falk, Douglas L Anderton, Gretchen L Gierach, Kathleen F Arcaro, Mark E Sherman
BACKGROUND: Analysis of cytokines and growth factors in human milk offers a noninvasive approach for studying the microenvironment of the postpartum breast, which may better reflect tissue levels than testing blood samples. Given that Black women have a higher incidence of early-onset breast cancers than White women, we hypothesized that milk of the former contains higher levels of pro-inflammatory cytokines, adipokines, and growth factors. METHODS: Participants included 130 Black and 162 White women without a history of a breast biopsy who completed a health assessment questionnaire and donated milk for research...
August 6, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/30046341/xijiao-dihuang-decoction-alleviates-ischemic-brain-injury-in-mcao-rats-by-regulating-inflammation-neurogenesis-and-angiogenesis
#3
Xiaojun Fei, Xu Zhang, Qi Wang, Jingbo Li, Hao Shen, Xuanye Wang, Hongquan Liu, Weiwei Tao
Ischemic stroke is an increasingly important public health problem, and no effective treatments are approved. Xijiao Dihuang Decoction (XDD), a famous herbal formula for treating hemorrhagic fever syndromes, has been shown to exert powerful neuroprotective property. The aim of this study was to identify the chemical constituents in XDD, observe the neuroprotective effect of XDD against acute ischemic stroke, and explore the specific mechanisms by which these effects were mediated. With UHPLC-Q/TOF-MS, 47 components in XDD were detected and 25 of them were identified...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/30031765/effect-of-local-application-of-transcutaneous-carbon-dioxide-on-survival-of-random-pattern-skin-flaps
#4
Izumi Saito, Takumi Hasegawa, Takeshi Ueha, Daisuke Takeda, Eiji Iwata, Satomi Arimoto, Akiko Sakakibara, Masaya Akashi, Shunsuke Sakakibara, Yoshitada Sakai, Hiroto Terashi, Takahide Komori
INTRODUCTION: Skin flap procedures are widely used to reconstruct skin and soft tissue defects. Skin flap necrosis is a serious postoperative complication. Many researchers have introduced pharmacological agents to improve flap ischemia in experimental studies. However, outcomes of these studies remain controversial. We previously demonstrated that transcutaneous CO2 application improves hypoxia in fracture repair. In this study, we hypothesized that improving hypoxia by transcutaneous CO2 application can improve the blood flow in skin flaps and increase angiogenesis...
June 28, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/30026681/ghrelin-ameliorates-traumatic-brain-injury-by-down-regulating-bfgf-and-fgf-bp
#5
Xuefei Shao, Qianxin Hu, Sansong Chen, Qifu Wang, Pengcheng Xu, Xiaochun Jiang
Traumatic brain injury (TBI) is a primary cause of disability and mortality. Ghrelin, a gastrointestinal hormone, has been found to have protective effects for the brain, but the molecular mechanism of these neuroprotective effects of ghrelin remains unclear. In this study, an electronic cortical contusion impactor was used to establish a rat TBI model and we investigated the effect of ghrelin on brain repair by neurological severity score and histological examination. An antibody array was employed to uncover the molecular mechanism of ghrelin's neuroprotective effects by determining the alterations of multiple proteins in the brain cortex...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29998469/effect-of-sustained-release-of-basic-fibroblast-growth-factor-using-biodegradable-gelatin-hydrogels-on-frozen-thawed-human-ovarian-tissue-in-a-xenograft-model
#6
Ayaka Tanaka, Hitomi Nakamura, Yasuhiko Tabata, Yuka Fujimori, Keiichi Kumasawa, Tadashi Kimura
AIM: Ovarian tissue cryopreservation before cancer treatment is the only option to preserve fertility under some circumstances. However, tissue ischemia after transplantation while awaiting angiogenesis induces dysfunctional folliculogenesis and reduces ovarian reserve and is one of the disadvantages of frozen-thawed ovarian tissue transplantation. Basic fibroblast growth factor (bFGF) is a major regulator of angiogenesis. However, bFGF rapidly loses biological activity when its free form is injected in vivo...
July 12, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29983872/silencing-nik-potentiates-anti-vegf-therapy-in-a-novel-3d-model-of-colorectal-cancer-angiogenesis
#7
Chrissta X Maracle, Kim C M Jeucken, Boy Helder, Thomas M van Gulik, Anne Steins, Hanneke W M van Laarhoven, Sander W Tas
Angiogenesis is essential for colorectal cancer (CRC) progression, as demonstrated by the beneficial clinical effects of therapeutics inhibiting VEGF signaling. However, alternative mechanisms of neovascularization can develop, resulting in treatment failure. Previously we demonstrated NF-κB-inducing kinase (NIK) contributes to pathological angiogenesis. Here, we investigate NIK as a therapeutic target in endothelial cells (EC) in CRC. To determine NIK expression levels in CRC tissues, we immunostained both primary colorectal tumors and tumors metastasized to the liver...
June 19, 2018: Oncotarget
https://www.readbyqxmd.com/read/29980670/lactate-potentiates-angiogenesis-and-neurogenesis-in-experimental-intracerebral-hemorrhage
#8
Jing Zhou, Tao Liu, Hao Guo, Hanjin Cui, Pengfei Li, Dandan Feng, En Hu, Qing Huang, Ali Yang, Jun Zhou, Jiekun Luo, Tao Tang, Yang Wang
Lactate accumulation has been observed in the brain with intracerebral hemorrhage (ICH). However, the outcome of lactate accumulation has not been well characterized. Here, we report that lactate accumulation contributes to angiogenesis and neurogenesis in ICH. In the first set of the experiment,  a rat model of ICH was induced by injecting collagenase into the brain. The effects of lactate accumulation on the neurological function, apoptosis, and numbers of newborn endothelial cells and neurons, as well as the proliferation-associated signaling pathway, were evaluated in the rat brain...
July 6, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29948798/kefir-accelerates-burn-wound-healing-through-inducing-fibroblast-cell-migration-in-vitro-and-modulating-the-expression-of-il-1%C3%A3-tgf-%C3%A3-1-and-bfgf-genes-in-vivo
#9
Ahmad Oryan, Esmat Alemzadeh, Mohammad Hadi Eskandari
Kefir is a natural probiotic compound with a long history of health benefits which can improve wound healing. This study investigated the regeneration potential of kefir in vitro scratch assay and in vivo burn wound in rat model. Cytotoxicity of different concentrations of kefir was evaluated by colorimetric methylthiazoltetrazolium assay. A scratch wound experiment was performed to investigate the ability of kefir in reducing the gap of wounds in a dose-dependent manner, in vitro. The standardized kefir was incorporated into silver sulfadiazine (SSD) and applied on burn wounds in vivo, and was compared with the SSD and negative control groups after 7, 14, and 28 days of treatment...
June 8, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29896285/construction-of-a-human-monoclonal-antibody-against-bfgf-for-suppression-of-nsclc
#10
Sheng Wang, Yiyang Qin, Zhongmin Wang, Junjian Xiang, Yu Zhang, Meng Xu, Baiyong Li, Yu Xia, Peng Zhang, Hong Wang
Compelling evidence implicates that overexpression of basic fibroblast growth factor (bFGF) and fibroblast growth factor receptor 1 (FGFR1) in non-small cell lung cancer (NSCLC) drives tumor progression, can serve as prognostic biomarkers or therapeutic targets for NSCLC patients. But at present, we still lack of effective drugs for bFGF. The preparation of monoclonal antibodies against bFGF or to understand its mechanism of action is urgently need. Previously, we used hybridoma technology to produce a murine anti-bFGF monoclonal antibody (E12)...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29874597/a-targeted-nanoplatform-co-delivering-chemotherapeutic-and-antiangiogenic-drugs-as-a-tool-to-reverse-multidrug-resistance-in-breast-cancer
#11
Fengchun Tian, Fatima Zohra Dahmani, Jianan Qiao, Jiang Ni, Hui Xiong, Tengfei Liu, Jianping Zhou, Jing Yao
Several obstacles are currently impeding the successful treatment of breast cancer, namely impaired drug accumulation into the tumor site, toxicity to normal cells and narrow therapeutic index of chemotherapy, multidrug resistance (MDR) and the metastatic spread of cancer cells through the blood and lymphatic vessels. In this regard, we designed a novel multifunctional nano-sized drug delivery system based on LyP-1 peptide-modified low-molecular-weight heparin-quercetin conjugate (PLQ). This nanosystem was developed for targeted co-delivery of multiple anticancer drugs to p32-overexpressing tumor cells and peritumoral lymphatic vessels, using LyP-1 peptide as active targeting ligand, with the aim to achieve a targeted combinatorial chemo/angiostatic therapy and MDR reversal...
June 3, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29857900/functionalized-nanoliposomes-loaded-with-anti-survivin-and-anti-angiogenic-agents-to-enhance-the-activity-of-chemotherapy-against-melanoma-by-4-pronged-action
#12
Harshita Mishra, Pawan Kumar Mishra, Adam Ekielski, Zeenat Iqbal, Manu Jaggi, Sushama Talegaonkar
Melanoma is one of the most aggressive cancers which has very low response rate and survival rate. Melanoma cells are known to be inherently resistant to the chemotherapy which results in poor outcomes and even failure of the therapy. For this reason, a better understanding of underlying mechanism of melanoma pathogenesis and resistance is required, so that more efficient and novel therapeutic strategies can be developed. Survivin is a protein which is overexpressed in melanoma cells and is known to impart resistance to them against apoptosis...
July 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29807443/targeting-vegf-vegfrs-pathway-in-the-antiangiogenic-treatment-of-human-cancers-by-traditional-chinese-medicine
#13
Cheng Zhang, Ning Wang, Hor-Yue Tan, Wei Guo, Sha Li, Yibin Feng
Bearing in mind the doctrine of tumor angiogenesis hypothesized by Folkman several decades ago, the fundamental strategy for alleviating numerous cancer indications may be the strengthening application of notable antiangiogenic therapies to inhibit metastasis-related tumor growth. Under physiological conditions, vascular sprouting is a relatively infrequent event unless when specifically stimulated by pathogenic factors that contribute to the accumulation of angiogenic activators such as the vascular endothelial growth factor (VEGF) family and basic fibroblast growth factor (bFGF)...
May 1, 2018: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/29790692/serum-concentrations-of-vegf-and-bfgf-in-the-course-of-propranolol-therapy-of-infantile-hemangioma-in-children-are-we-closer-to-understand-the-mechanism-of-action-of-propranolol-on-hemangiomas
#14
Lidia Babiak-Choroszczak, Kaja Giżewska-Kacprzak, Elżbieta Gawrych, Katarzyna Fischer, Anna Walecka, Lidia Puchalska-Niedbał, Justyna Rajewska-Majchrzak, Maciej Bagłaj
BACKGROUND: Propranolol has become the treatment of choice for infantile hemangiomas (IH). Neither the pathogenesis of IH nor the mechanism of action of propranolol on them are well understood. Possible explanations include the inhibition of angiogenesis by decreasing vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF), induction of vascular endothelial cell apoptosis and vasoconstriction. OBJECTIVES: The aim of the study was to assess serum concentrations of VEGF and bFGF in the course of propranolol therapy of IH in children, and to assess their clinical implications...
May 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29770958/effects-of-massage-on-the-expression-of-proangiogenic-markers-in-rat-skin
#15
Katarzyna Ratajczak-Wielgomas, Krzysztof Kassolik, Jedrzej Grzegrzolka, Tomasz Halski, Aleksandra Piotrowska, Katarzyna Mieszala, Iwona Wilk, Marzenna Podhorska-Okolow, Piotr Dziegiel, Waldemar Andrzejewski
INTRODUCTION: Massage is a physiotherapeutic treatment, commonly used in both therapy and restoration of normal body functions. The aim of this work was to determine the effects of skin massage on stimulating the expression of angiogenesis-initiating factors, i.e. VEGF-A, FGF-2 (bFGF) and CD34 and on skin regeneration processes. MATERIAL AND METHODS: The study was conducted on 48 Buffalo strain rats, randomly divided into two groups. In the first group (M, the massaged group), massage was applied five times a week for 7 weeks...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29763775/glycosaminoglycan-based-hybrid-hydrogel-encapsulated-with-polyelectrolyte-complex-nanoparticles-for-endogenous-stem-cell-regulation-in-central-nervous-system-regeneration
#16
Wei-Hong Jian, Huan-Chih Wang, Chen-Hsiang Kuan, Ming-Hong Chen, Hsi-Chin Wu, Jui-Sheng Sun, Tzu-Wei Wang
The poor regenerative capability of stem cell transplantation in the central nervous system limits their therapeutic efficacy in brain injuries. The sustained inflammatory response, lack of structural support, and trophic factors deficiency restrain the integration and long-term survival of stem cells. Instead of exogenous stem cell therapy, here we described the synthesis of nanohybrid hydrogel containing sulfated glycosaminoglycan-based polyelectrolyte complex nanoparticles (PCN) to mimic the brain extracellular matrix and control the delivery of stromal-derived factor-1α (SDF-1α) and basic fibroblast factor (bFGF) in response to matrix metalloproteinase (MMP) for recruiting endogenous neural stem cells (NSC) and regulating their cellular fate...
August 2018: Biomaterials
https://www.readbyqxmd.com/read/29763721/new-insights-into-hypoxia-related-mechanisms-involved-in-different-microvascular-patterns-of-bronchopulmonary-carcinoids-and-poorly-differentiated-neuroendocrine-carcinomas-role-of-ribonuclease-t2-rnaset2-and-hif-1-alpha
#17
Silvia Uccella, Stefano La Rosa, Debora Scaldaferri, Laura Monti, Roberta Maragliano, Elisa Sorrenti, Marzia Gariboldi, Roberto Taramelli, Fausto Sessa, Francesco Acquati
Ribonuclease T2 (RNASET2) is a pleiotropic and polyfunctional protein, which exerts several different activities in neoplastic cells since the early steps of tumor development. Besides having an antitumorigenic activity, RNASET2 inhibits both bFGF-induced and VEGF-induced angiogenesis and has a role as a stress-response, alarmin-like, protein. In this study, we investigated RNASET2 expression in well-differentiated and poorly differentiated neuroendocrine neoplasms of the lung (Lu-NENs), which are known to show clear-cut differences in morphology, biology and clinical behavior...
May 12, 2018: Human Pathology
https://www.readbyqxmd.com/read/29761379/a-therapeutic-angiogenesis-of-sustained-release-of-basic-fibroblast-growth-factor-using-biodegradable-gelatin-hydrogel-sheets-in-a-canine-chronic-myocardial-infarction-model
#18
Motoyuki Kumagai, Kenji Minakata, Hidetoshi Masumoto, Masaya Yamamoto, Atsushi Yonezawa, Takafumi Ikeda, Kyokun Uehara, Kazuhiro Yamazaki, Tadashi Ikeda, Kazuo Matsubara, Masayuki Yokode, Akira Shimizu, Yasuhiko Tabata, Ryuzo Sakata, Kenji Minatoya
This study investigated the safety and efficacy of a sustained release of basic fibroblast growth factor (bFGF) with biodegradable gelatin hydrogel sheets as therapeutic angiogenesis in canine chronic myocardial infarction (MI) models. Canine chronic MI model was induced by ligating the left anterior descending coronary artery and its diagonal branches. At 4 week post-induction, we applied either saline (Control group, n = 5) or 200 μg of bFGF (Treatment group, n = 6) soaked gelatin hydrogel sheets on the ischemic area of the left ventricular (LV) wall...
May 14, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29752774/mesenchymal-stem-cells-promote-lymphangiogenic-properties-of-lymphatic-endothelial-cells
#19
Jan W Robering, Annika Weigand, Romy Pfuhlmann, Raymund E Horch, Justus P Beier, Anja M Boos
Lymphatic metastasis is one of the main prognostic factors concerning long-term survival of cancer patients. In this regard, the molecular mechanisms of lymphangiogenesis are still rarely explored. Also, the interactions between stem cells and lymphatic endothelial cells (LEC) in humans have not been well examined. Therefore, the main objective of this study was to assess the interactions between mesenchymal stem cells (MSC) and LEC using in vitro angiogenesis assays. Juvenile LEC were stimulated with VEGF-C, bFGF, MSC-conditioned medium (MSC-CM) or by co-culture with MSC...
May 11, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29749450/mir%C3%A2-24-regulates-angiogenesis-in-gliomas
#20
Dongwei Dai, Wei Huang, Qiong Lu, Hanchun Chen, Jianmin Liu, Bo Hong
Gliomas are one of the most common and most aggressive types of central nervous system tumor. Angiogenesis is an important basis for the growth of solid tumors, including gliomas, which is regulated by microRNAs (miRNAs). However, the mechanism remains unclear. Recently, it was demonstrated that miR‑24 was upregulated in gliomas, so the aim of the present study is to establish whether the dysregulation of miR‑24 in glioma cells promotes microvascular proliferation of endothelial cells (ECs), and to investigate the potential mechanism...
July 2018: Molecular Medicine Reports
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