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human growth stimulants

Maryam Dastan, Nowruz Najafzadeh, Ali Abedelahi, Mohammadreza Sarvi, Ali Niapour
Minoxidil and human platelet lysate (HPL) are commonly used to treat patients with hair loss. However, the roles of HPL versus minoxidil in hair follicle biology largely remain unknown. Here, we hypothesized that bulge and dermal papilla (DP) cells may express specific genes, including Kras, Erk, Akt, Shh and β-catenin after exposure to minoxidil or HPL. The mouse hair follicles were isolated on day 10 after depilation and bulge or DP regions were dissected. The bulge and DP cells were cultured for 14days in DMEM/F12 medium...
October 17, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Aihua Xu, Md Ahsanul Kabir Khan, Fangzhi Chen, Zhaohui Zhong, Han-Chun Chen, Yuanda Song
Autotaxin (ATX) as an important tumor cell motility-stimulating factor is upregulated in many different types of cancer. ATX, a member of the ectonucleotide pyrophosphatase and phosphodiesterase family of enzymes, possesses lysophospholipase D activity which hydrolyzes lysophosphatidylcholine to generate the potent tumor growth factor and mitogen lysophosphatidic acid (LPA). LPA acts on specific G-protein-coupled receptors, thereby regulating cell growth, migration, and survival. This study aimed to investigate the differences in gene expression pattern of ATX between cancerous and adjacent normal tissue of human renal cell carcinoma (RCC) and bladder carcinoma (BC) and find the correlation between ATX expression and clinicopathological features of both of these carcinomas...
November 2016: Medical Oncology
Philippe Gauthier, Zongdong Yu, Quynh T Tran, Fazal-Ur-Rehman Bhatti, Xiaofei Zhu, George T-J Huang
Regeneration of periodontal tissues, particularly cementum, is key to regaining periodontal attachment and health. Human periodontal ligament stem cells (hPDLSCs) have been shown to be a good cell source to regenerate periodontal tissues. However, their subpopulations and the differentiation induction in relation to cementogenic lineages is unclear. Thus, we aim to examine the expression of cementum-associated genes in PDLSC subpopulations and determine the effect of broadly used osteogenic stimulus or vitamin C (VC) on the expression of cementogenic and osteogenic genes in PDLSCs...
October 18, 2016: Cell and Tissue Research
Markus Granzin, Ana Stojanovic, Matthias Miller, Richard Childs, Volker Huppert, Adelheid Cerwenka
Natural killer (NK) cells are promising antitumor effector cells, but the generation of sufficient NK cell numbers for adoptive immunotherapy remains challenging. Therefore, we developed a method for highly efficient ex vivo expansion of human NK cells. Ex vivo expansion of NK cells in medium containing IL-2 and irradiated clinical-grade feeder cells (EBV-LCL) induced a 22-fold NK cell expansion after one week that was significantly increased to 53-fold by IL-21. Repeated stimulation with irradiated EBV-LCL and IL-2 and addition of IL-21 at the initiation of the culture allowed sustained NK cell proliferation with 10(11)-fold NK cell expansion after 6 weeks...
2016: Oncoimmunology
Prashant Trikha, Robert L Plews, Andrew Stiff, Shalini Gautam, Vincent Hsu, David Abood, Robert Wesolowski, Ian Landi, Xiaokui Mo, John Phay, Ching-Shih Chen, John Byrd, Michael Caligiuri, Susheela Tridandapani, William Carson
Myeloid-derived suppressor cells (MDSC) are a heterogeneous population of early myeloid cells that accumulate in the blood and tumors of patients with cancer. MDSC play a critical role during tumor evasion and promote immune suppression through variety of mechanisms, such as the generation of reactive oxygen and nitrogen species (ROS and RNS) and cytokines. AMPactivated protein kinase (AMPK) is an evolutionarily conserved serine/threonine kinase that regulates energy homeostasis and metabolic stress. However, the role of AMPK in the regulation of MDSC function remains largely unexplored...
2016: Oncoimmunology
Angela Hou, Brandon Cohen, Adele Haimovic, Nada Elbuluk
BACKGROUND: Microneedling is a minimally invasive procedure that uses fine needles to puncture the epidermis. The microwounds created stimulate the release of growth factors and induce collagen production. The epidermis remains relatively intact, therefore helping to limit adverse events. The indications for microneedling therapy have grown significantly, and it is becoming a more widely used treatment in dermatology. OBJECTIVE: A comprehensive review of microneedling in human subjects and its applications in dermatology...
October 13, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Arash Pourgholaminejad, Nasser Aghdami, Hossein Baharvand, Seyed Mohammad Moazzeni
T-Helper 17 (TH17) cells are a CD4(+) TH subset that plays a critical role in the pathophysiology of inflammatory disorders, especially chronic forms. It seems that the derivation of TH17 cells from their precursors take place in inflammatory microenvironment. The role of transforming growth factor (TGF)-β as an anti-inflammatory cytokine in TH17 cell differentiation is controversial. To address some of the discrepancies that exist among different studies, this study was undertaken to more clarify the TGFβ role in human TH17 cell differentiation...
October 18, 2016: Journal of Immunotoxicology
Johanne Tremblay, Carole G Campion, Thomas Verissimo, Suzanne Cossette, Hiroyuki Matsuda, Pavel Hamet
OBJECTIVE: Epidermal growth factor receptor (EGFR) signaling plays a dual role in hypertension-induced kidney damage. EGFR is critically involved in angiotensin II-induced renal lesions and fibrosis but is also engaged in kidney tissue repair. Consequently, targeting EGFR in renal diseases is complex because even if inhibition of EGFR activity would be beneficial, a minimal EGFR activity is needed to recover from harmful insults. Our group has identified HCaRG (Hypertension-related, Calcium-Regulated Gene) whose expression is increased in kidneys of hypertensive rats and mice...
September 2016: Journal of Hypertension
Jéssica V Mansson, Fernanda D Alves, Andréia Biolo, Gabriela C Souza
CONTEXT: Ghrelin is a hormone that stimulates weight gain and increases appetite. For these reasons, it has been used for treatment of cachexia syndrome. OBJECTIVE: The aim of this systematic review was to examine the use of ghrelin in cachexia patients to better understand the most prevalent clinical outcomes, particularly since the type and dosage of hormone used and the route and duration of administration often varies. DATA SOURCES: A search of electronic databases (MEDLINE, SciELO, Embase, Cochrane Library, and Clinical Trials...
November 2016: Nutrition Reviews
M Gokulnath, R Swetha, G Thejaswini, P Shilpa, N Selvamurugan
Transforming growth factor-beta1 (TGF-β1) plays a significant role in breast cancer mediated bone metastasis, and it stimulated expression of matrix metalloproteinase-13 (MMP-13; an invasive and metastasis gene) via activating transcription factor-3 (ATF-3) in human breast cancer cells (MDA-MB231). We further dissected the role of ATF-3 and its interacting proteins (activator protein-1; AP-1) for TGF-β1-stimulation of MMP-13 expression in these cells. Chromatin immunoprecipitation (ChIP) experiment identified the TGF-β1-stimulation of ATF-3 interaction at the AP-1 site of the MMP-13 promoter in a sustained and prolonged manner in MDA-MB231 cells...
October 15, 2016: International Journal of Biological Macromolecules
Sadhvi Nithiananthan, Aileen Crawford, Johnathan Cooper Knock, Daniel W Lambert, Simon A Whawell
Fibroblasts are the major cellular component of connective tissue and experience mechanical perturbations due to matrix remodelling and interstitial fluid movement. Transforming growth factor β1 (TGF-β1) can promote differentiation of fibroblasts in vitro to a contractile myofibroblastic phenotype characterised by the presence of α-smooth muscle actin (α-SMA) rich stress fibres. To study the role of mechanical stimulation in this process, we examined the response of primary human fibroblasts to physiological levels of fluid movement and its influence on fibroblast differentiation and responses to TGF-β1...
October 17, 2016: Journal of Cellular Biochemistry
Hideo Masuki, Toshimitsu Okudera, Taisuke Watanebe, Masashi Suzuki, Kazuhiko Nishiyama, Hajime Okudera, Koh Nakata, Kohya Uematsu, Chen-Yao Su, Tomoyuki Kawase
BACKGROUND: The development of platelet-rich fibrin (PRF) drastically simplified the preparation procedure of platelet-concentrated biomaterials, such as platelet-rich plasma (PRP), and facilitated their clinical application. PRF's clinical effectiveness has often been demonstrated in pre-clinical and clinical studies; however, it is still controversial whether growth factors are significantly concentrated in PRF preparations to facilitate wound healing and tissue regeneration. To address this matter, we performed a comparative study of growth factor contents in PRP and its derivatives, such as advanced PRF (A-PRF) and concentrated growth factors (CGF)...
December 2016: Int J Implant Dent
Qin Long, Xiaoguang Cao, Ailing Bian, Ying Li
Complement activation, specifically complement 3 (C3) activation and C3a generation, contributes to an imbalance between angiogenic stimulation by vascular endothelial growth factor (VEGF) and angiogenic inhibition by pigment epithelial derived factor (PEDF), leading to pathological angiogenesis. This study aimed to investigate the effects of C3a and small interfering RNA (siRNA) targeting C3 on the levels of VEGF and PEDF mRNAs in human retinal pigment epithelial (RPE) cells. ARPE-19 cells were cultured in the presence of exogenous C3a at 0...
2016: BioMed Research International
Amrita Saxena, Richa Raghuwanshi, Vijai Kumar Gupta, Harikesh B Singh
Indian cuisine is renowned and celebrated throughout the world for its spicy treat to the tongue. The flavor and aroma of the food generated due to the use of spices creates an indelible experience. Among the commonly utilized spices to stimulate the taste buds in Indian food, whole or powdered chilli constitutes an inevitable position. Besides being a vital ingredient of of Indian food, chilli occupy an important position as an economic commodity, a major share in Indian economy. Chilli also has uncountable benefits to human health...
2016: Frontiers in Microbiology
Sung-Hee Hwang, Byung-Hwan Lee, Sun-Hye Choi, Hyeon-Joong Kim, Kyung Jong Won, Hwan Myung Lee, Hyewon Rhim, Hyoung-Chun Kim, Seung-Yeol Nah
BACKGROUND: Ginseng extracts are known to have angiogenic effects. However, to date, only limited information is available on the molecular mechanism underlying the angiogenic effects and the main components of ginseng that exert these effects. Human umbilical-vein endothelial cells (HUVECs) are used as an in vitro model for screening therapeutic agents that promote angiogenesis and wound healing. We recently isolated gintonin, a novel ginseng-derived lysophosphatidic acid (LPA) receptor ligand, from ginseng...
October 2016: Journal of Ginseng Research
Yuan Ma, Jia-Xiang Zhang, Ya-Nan Liu, Ai Ge, Hao Gu, Wang-Jian Zha, Xiao-Ning Zeng, Mao Huang
In the pathophysiology of asthma, structural cell dysfunction and concomitant microenvironment changes in airways are crucial to pathological progression, which involves oxidative stress. Caffeic acid phenethyl ester (CAPE) is an active anti-oxidative component obtained from propolis, and has been shown to have beneficial effects on several respiratory disorders, such as chronic obstructive pulmonary disease and lung cancer. However, the impact of CAPE on asthma is not well understood. Therefore, this study investigated the advantages of using CAPE to treat asthma and demonstrated the roles of CAPE in the regulation of airway microenvironments...
October 13, 2016: Free Radical Biology & Medicine
Radoslava Vlčková, Drahomíra Sopková, Zuzana Andrejčáková, Igor Valocký, Attila Kádasi, Abdel Halim Harrath, Vladimír Petrilla, Alexander V Sirotkin
Yucca (Yucca schidigera) is a popular medicinal plant due to its many positive effects on animal and human physiology, including their reproductive systems. To examine the effect of supplemental yucca feeding on sheep reproduction, including ovarian functions and their hormonal regulators, ewes were fed (or not fed, control) yucca powder (1.5 g/head/day, 30 days). Macromorphometric indexes of the oviduct, ovary, and ovarian folliculogenesis were measured. Reproductive hormone levels in the blood were measured using a radioimmunoassay...
September 21, 2016: Theriogenology
Buka Samten, Stewart Fannin, Krishna Sarva, Na Yi, Murty Madiraju, Malini Rajagopalan
Mycobacterium tuberculosis secretes a number of proteins into the extracellular milieu during growth. Several of these proteins have been associated with modulation of the host immune response. Antigen 84, or Wag31, is one such protein that is conserved among all mycobacterial species and is recognized by the sera from tuberculosis and leprosy patients. Here, we examined the effect of Wag31 on the ability of activated human T cells to produce cytokines such as IL-10, IL-17 and IFN-γ in response to combined anti-CD3 and anti-CD28 stimulation...
September 28, 2016: Tuberculosis
Matteo Ciocci, Egidio Iorio, Felicia Carotenuto, Haneen A Khashoggi, Francesca Nanni, Sonia Melino
The improvement of solubility and/or dissolution rate of poorly soluble natural compounds is an ideal strategy to make them optimal candidates as new potential drugs. Accordingly, the allyl sulfur compounds and omega-3 fatty acids are natural hydrophobic compounds that exhibit two important combined properties: cardiovascular protection and antitumor activity. Here, we have synthesized and characterized a novel formulation of diallyl disulfide (DADS) and α-linolenic acid (ALA) as protein-nanoemulsions (BAD-NEs), using ultrasounds...
October 12, 2016: Oncotarget
Melania Olivieri, Emanuele Amata, Shila Vinciguerra, Jole Fiorito, Giovanni Giurdanella, Filippo Drago, Nunzia Caporarello, Orazio Prezzavento, Emanuela Arena, Loredana Salerno, Antonio Rescifina, Gabriella Lupo, Carmelina Daniela Anfuso, Agostino Marrazzo
(±)-MRJF22 [(±)-2], a novel prodrug of haloperidol metabolite II obtained by conjugation to valproic acid via an ester bond, exhibits antiangiogenic activity being able to reduce Human Retinal Endothelial Cells (HREC) viability in a comparable manner to Bevacizumab. Moreover, (±)-2 was able to significantly reduce viable cells count, endothelial cell migration and tube formation in Vascular endothelial growth factor A (VEGF-A) stimulated HREC cultures.
October 14, 2016: Journal of Medicinal Chemistry
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