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https://www.readbyqxmd.com/read/27921126/successful-ct-guided-cryoablation-of-phosphaturic-mesenchymal-tumor-in-the-soft-tissues-causing-tumor-induced-osteomalacia-a-case-report
#1
Sophie Cowan, Santiago A Lozano-Calderon, Raul N Uppot, Dipti Sajed, Ambrose J Huang
We report the case of a 25-year-old male patient with tumor-induced osteomalacia from a 1.8-cm phosphaturic mesenchymal tumor in the right distal thigh, who was treated at our institution with a single session of CT-guided cryoablation in December 2015, which resulted in biochemical and clinical resolution. We present the clinical history, physical examination, biochemistry, functional imaging, anatomic characterization, and follow-up for clinical outcome. The response to treatment was documented in terms of normalization of serum fibroblastic growth factor 23 (FGF23) and phosphorous levels, symptomatic improvement, as well as normalization of bone mineralization on femur radiographs 3 months after the procedure...
December 5, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27921041/signaling-crosstalk-between-tubular-epithelial-cells-and-interstitial-fibroblasts-after-kidney-injury
#2
REVIEW
Roderick J Tan, Dong Zhou, Youhua Liu
BACKGROUND: A wide variety of kidney diseases ultimately lead to tubulointerstitial damage. The initial site of injury is usually the renal tubules, with activation of fibroblasts occurring later. Self-limited disease is characterized by transient cellular activation with timed deactivation and ultimately a return to normal functioning, whereas sustained responses characterize chronic disease and the development of irreversible fibrosis. The underlying molecular and cellular mechanisms of this cascade of events remain an area of active research...
October 2016: Kidney Diseases
https://www.readbyqxmd.com/read/27920947/the-daniel-k-inouye-college-of-pharmacy-scripts-poha-berry-physalis-peruviana-with-potential-anti-inflammatory-and-cancer-prevention-activities
#3
Leng Chee Chang, Mayuramas Sang-Ngern, John M Pezzuto, Carolyn Ma
The Daniel K. Inouye College of Pharmacy, during a historic event in Spring 2016, graduated the first two students in the Pacific region to earn a PhD in pharmaceutical sciences at the University of Hawai'i at Hilo. The college offers PhD programs in these five disciplines: Cancer Biology, Medicinal Chemistry, Pharmaceutics, Pharmacognosy, and Pharmacology. One of the Pharmacognosy dissertations focused on plant-derived natural products with potential anti-inflammatory and cancer chemopreventive activities...
November 2016: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/27920804/bone-healing-in-2016
#4
REVIEW
John A Buza, Thomas Einhorn
Delayed fracture healing and nonunion occurs in up to 5-10% of all fractures, and can present a challenging clinical scenario for the treating physician. Methods for the enhancement of skeletal repair may benefit patients that are at risk of, or have experienced, delayed healing or nonunion. These methods can be categorized into either physical stimulation therapies or biological therapies. Physical stimulation therapies include electrical stimulation, low-intensity pulsed ultrasonography, or extracorporeal shock wave therapy...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920796/neutrophil-gelatinase-associated-lipocalin-fibroblast-growth-factor-23-and-soluble-klotho-in-long-term-kidney-donors
#5
Inga Strand Thorsen, Inger Hjørdis Bleskestad, Grete Jonsson, Øyvind Skadberg, Lasse Gunnar Gøransson
BACKGROUND: The best treatment for end-stage renal disease (ESRD) is kidney transplantation. Twenty-seven percent of transplantations in Norway are from living donors. Recent studies have shown an increased risk of ESRD and increased mortality in donors. The aim of this study was to determine if the levels of the new biomarkers neutrophil gelatinase-associated lipocalin (NGAL), soluble Klotho (sKlotho), and fibroblast growth factor 23 (FGF23) are changed in kidney donors with normal kidney function defined as an estimated glomerular filtration rate (eGFR) >60 ml/min/1...
September 2016: Nephron Extra
https://www.readbyqxmd.com/read/27919940/vitamin-d-and-myofibroblasts-in-fibrosis-and-cancer-at-cross-purposes-with-tgf-%C3%AE-smad-signaling
#6
REVIEW
Shraga Shany, Ina Sigal-Batikoff, Sergio Lamprecht
The multifaceted involvement of the active vitamin D metabolite 1,25-dihydroxyvitamin D3 (henceforth referred to by the synonyms 1,25(OH)2D3, calcitriol or vitamin D) in blunting the growth of cancer cells is amply recognized. In this review we focused our attention on the cross-talk between 1,25 (OH)2D3 and the tumor microenvironment (TME), signaling out stromal cancer-associated fibroblasts (CAFs), the most abundant TME population, as a target for calcitriol anticancer action. In view of the commonality of the phenotypic signature in myofibroblasts, resident in the cancer stroma and in non-neoplastic fibrotic loci, we examined modes of action of vitamin D in non-neoplastic chronic diseases and in cancer to assess mechanistic similarities and divergences...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919745/biomechanics-of-cell-reorientation-in-a-three-dimensional-matrix-under-compression
#7
Lijie Yang, Léolène Jean Carrington, Begum Erdogan, Mingfang Ao, Bryson M Brewer, Donna J Webb, Deyu Li
Although a number of studies have reported that cells cultured on a stretchable substrate align away from or perpendicular to the stretch direction, how cells sense and respond to compression in a three-dimensional (3D) matrix remains an open question. We analyzed the reorientation of human prostatic normal tissue fibroblasts (NAFs) and cancer-associated fibroblasts (CAFs) in response to 3D compression using a Fast Fourier Transform (FFT) method. Results show that NAFs align to specific angles upon compression while CAFs exhibit a random distribution...
December 2, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27919710/the-transcription-factor-carbohydrate-response-element-binding-protein-chrebp-a-possible-link-between-metabolic-disease-and-cancer
#8
REVIEW
Katsumi Iizuka
Carbohydrate-response element-binding protein (ChREBP) has been identified as a transcription factor that binds to carbohydrate response element in the promoter of pyruvate kinase, liver and red blood cells. ChREBP is activated by metabolites derived from glucose and suppressed by adenosine monophosphate (AMP), ketone bodies and cyclic cAMP. ChREBP regulates gene transcription related to glucose and lipid metabolism. Findings from knockout mice and human subjects suggest that ChREBP helps to induce hepatic steatosis, dyslipidemia, and glucose intolerance...
December 2, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27919682/cyclosporine-a-inhibits-tgf-%C3%AE-2-induced-myofibroblasts-of-primary-cultured-human-pterygium-fibroblasts
#9
Sang Il Gum, Yeoun-Hee Kim, Jae-Chang Jung, Im Gyu Kim, Jun Seok Lee, Kyoo Won Lee, Young Jeung Park
Cyclosporine A (CsA), an immunomodulatory drug, and is increasingly used to treat moderate dry eye syndrome and ocular surface inflammation. However, any inhibitory effect on differentiation of fibroblasts to myofibroblasts remains unclear. Here, we show that the inhibitory effect of CsA on transforming growth factor-beta2 (TGF-β2)-induced myofibroblasts in primary cultured human pterygium fibroblasts. CsA significantly decreased mRNA and protein expression of myofibroblast-related markers including α-SMA, laminin, and fibronectin...
December 2, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27918716/genome-driven-paradigm-for-the-development-of-selective-fibroblast-growth-factor-receptor-inhibitors
#10
Alison M Schram, Martin H Voss, David M Hyman
No abstract text is available yet for this article.
December 5, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27918462/comparative-evaluation-of-trail-fgf-2-and-vegf-a-induced-angiogenesis-in-vitro-and-in-vivo
#11
Siân P Cartland, Scott W Genner, Amna Zahoor, Mary M Kavurma
Tumor necrosis-factor-related apoptosis-inducing ligand (TRAIL) has been implicated in angiogenesis; the growth of new blood vessels from an existing vessel bed. Our aim was to compare pro-angiogenic responses of TRAIL, vascular endothelial growth-factor-A (VEGF-A) and fibroblast growth-factor-2 (FGF-2) either separately (10 ng/mL) or in combination, followed by the assessment of proliferation, migration and tubule formation using human microvascular endothelial-1 (HMEC-1) cells in vitro. Angiogenesis was also measured in vivo using the Matrigel plug assay...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27918308/cardiac-myofibroblast-engulfment-of-dead-cells-facilitates-recovery-after-myocardial-infarction
#12
Michio Nakaya, Kenji Watari, Mitsuru Tajima, Takeo Nakaya, Shoichi Matsuda, Hiroki Ohara, Hiroaki Nishihara, Hiroshi Yamaguchi, Akiko Hashimoto, Mitsuho Nishida, Akiomi Nagasaka, Yuma Horii, Hiroki Ono, Gentaro Iribe, Ryuji Inoue, Makoto Tsuda, Kazuhide Inoue, Akira Tanaka, Masahiko Kuroda, Shigekazu Nagata, Hitoshi Kurose
Myocardial infarction (MI) results in the generation of dead cells in the infarcted area. These cells are swiftly removed by phagocytes to minimize inflammation and limit expansion of the damaged area. However, the types of cells and molecules responsible for the engulfment of dead cells in the infarcted area remain largely unknown. In this study, we demonstrated that cardiac myofibroblasts, which execute tissue fibrosis by producing extracellular matrix proteins, efficiently engulf dead cells. Furthermore, we identified a population of cardiac myofibroblasts that appears in the heart after MI in humans and mice...
December 5, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27917437/nicotine-plus-a-high-fat-diet-triggers-cardiomyocyte-apoptosis
#13
Indrani Sinha-Hikim, Theodore C Friedman, Mark Falz, Victor Chalfant, Mohammad Kamrul Hasan, Jorge Espinoza-Derout, Desean L Lee, Carl Sims, Peter Tran, Sushil K Mahata, Amiya P Sinha-Hikim
Cigarette smoking is an important risk factor for diabetes, cardiovascular disease and non-alcoholic fatty liver disease. The health risk associated with smoking can be aggravated by obesity. Smoking might also trigger cardiomyocyte (CM) apoptosis. Given that CM apoptosis has been implicated as a potential mechanism in the development of cardiomyopathy and heart failure, we characterize the key signaling pathways in nicotine plus high-fat diet (HFD)-induced CM apoptosis. Adult C57BL6 male mice were fed a normal diet (ND) or HFD and received twice-daily intraperitoneal (IP) injections of nicotine (0...
December 5, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27916484/associations-between-fgf21-osteonectin-and-bone-turnover-markers-in-type-2-diabetic-patients-with-albuminuria
#14
Lingling Xu, Meng Niu, Weihong Yu, Weibo Xia, Fengying Gong, Ou Wang
AIM: We measured the levels of bone turnover markers (BTMs) in patients with early diabetic nephropathy from type 2 diabetes mellitus (T2DM), and investigated the associations of BTMs with adipokines, serum fibroblast growth factor-21 (FGF21) and osteonectin. METHODS: We included 159 males and 300 females with T2DM in this cross-sectional study. Clinical characteristics, BTMs and adipokines levels were measured. RESULTS: One-hundred and ninety-two (41...
November 17, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27916369/expression-of-connexin-26-and-connexin-43-is-reduced-in-hirschsprung-s-disease
#15
David Coyle, Brian Doyle, Justin M Murphy, Anne Marie O'Donnell, John Gillick, Prem Puri
BACKGROUND: Despite having an optimal pull-through operation, some children with Hirschsprung's disease (HSCR) continue to experience persistent bowel symptoms. Coordinated colonic electrical activity depends on intercellular communication between the enteric nerves, interstitial cells of Cajal (ICCs), smooth muscle cells, and fibroblast-like (platelet-derived growth factor receptor-alpha-positive) cells. Gap junctions are low-resistance channels composed of connexin (Cx) proteins which couple cells electrically and chemically...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27915981/molecular-cellular-and-pharmaceutical-aspects-of-autologous-grafts-for-peri-implant-hard-and-soft-tissue-defects
#16
Jiayu Lu, Yongming Hao, Wei Zhao, Chengqi Lv, Derong Zou
The lack of supporting hard and soft tissues always prevents the rehabilitation with dental implants. Among various hard and soft tissue augmentation procedures, autologous grafts have been considered to be the gold standard. Autologous mesenchymal stem cells (MSCs) from bone marrow, dental tissue and adipose tissue have been described as promising alternatives for bone regeneration in the field of dental implantation. Mucosal cells, gingival fibroblasts and dental progenitor cells (DPS) can enhance peri-implant soft tissue augmentation and regenerate periodontal tissues around dental implants...
December 1, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27914707/adiponectin-alters-renal-calcium-and-phosphate-excretion-through-regulation-of-klotho-expression
#17
Joseph M Rutkowski, Johanne Pastor, Kai Sun, Sun K Park, I Alexandru Bobulescu, Christopher T Chen, Orson W Moe, Philipp E Scherer
The kidney controls systemic calcium and phosphate levels and disturbances of its control mechanisms can lead to a variety of diseases. The insulin-sensitizing adipokine adiponectin is renoprotective and accelerates functional recovery following renal injury. However, unlike other adipokines, adiponectin is reduced in obesity. High adiponectin levels are also correlated with bone loss, suggestive of an additional action in mineral metabolism. Using knockout, wild-type, and adiponectin-overexpressing transgenic mice, we sought to identify the mechanistic basis for adiponectin's ability to regulate calcium and phosphate balance at the level of the kidney...
November 30, 2016: Kidney International
https://www.readbyqxmd.com/read/27914362/an-overview-of-the-binding-models-of-fgfr-tyrosine-kinases-in-complex-with-small-molecule-inhibitors
#18
REVIEW
Weiyan Cheng, Mixiang Wang, Xin Tian, Xiaojian Zhang
The fibroblast growth factor receptor (FGFR) family receptor tyrosine kinase (RTK) includes four structurally related members, termed as FGFR1, FGFR2, FGFR3, and FGFR4. Given its intimate role in the progression of several solid tumors, excessive FGFR signaling provides an opportunity for anticancer therapy. Along with extensive pharmacological studies validating the therapeutic potential of targeting the FGFRs for cancer treatment, co-crystal structures of FGFRs/inhibitors are continuously coming up to study the mechanism of actions and explore new inhibitors...
November 25, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27914270/surface-mediated-transfection-of-a-pdna-vector-encoding-short-hairpin-rna-to-downregulate-tgf-%C3%AE-1-expression-for-the-prevention-of-in-stent-restenosis
#19
He Zhang, Ke-Feng Ren, Hao Chang, Jin-Lei Wang, Jian Ji
In-stent restenosis is one of the most serious modes of failure of cardiovascular stent implant. Although drug-eluting stents have been proven to reduce in-stent restenosis, the nonspecific inhibitory effects of anti-proliferative drugs, such as rapamycin, result in delayed re-endothelialization and fatal late stent thrombosis. Although many studies have focused on promoting rapid re-endothelialization, a feasible method of reducing excessive extracellular matrix (ECM) production and cell proliferation might provide a promising way to efficiently inhibit the restenosis in vivo...
November 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27913969/laser-photobiomodulation-830-and-660%C3%A2-nm-in-mast-cells-vegf-fgf-and-cd34-of-the-musculocutaneous-flap-in-rats-submitted-to-nicotine
#20
Lais Mara Siqueira das Neves, Gabriella de Paula Marcondes Ferreira Leite, Alexandre Marcio Marcolino, Carlos Eduardo Pinfildi, Sérgio Britto Garcia, João Eduardo de Araújo, Elaine Caldeira de Oliveira Guirro
The aim of this study was to investigate the effect of laser photobiomodulation (PBM) on the viability of the transverse rectus abdominis musculocutaneous (TRAM) flap in rats subjected to the action of nicotine. We evaluated 60 albino Wistar rats, divided into six groups of ten animals. Group 1 (saline) underwent the surgical technique to obtain a TRAM flap; group 2 (laser 830 nm) underwent the surgical technique and was irradiated with a laser 830 nm; group 3 (laser 660 nm) underwent the surgical technique and was irradiated with a laser 660 nm; group 4 was treated with nicotine subcutaneously (2 mg/kg/2×/day/4 weeks) and underwent surgery; group 5 (nicotine + laser 830 nm) was exposed to nicotine, underwent the surgical technique, and was irradiated with a laser 830 nm; group 6 (nicotine + laser 660 nm) was exposed to nicotine, underwent the surgical technique, and was irradiated with a laser 660 nm...
December 2, 2016: Lasers in Medical Science
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