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Szeto W, van der Bent A, Petty CR, Reich J, Farraye F, Fishman LN. Use of Social Media for Health-Related Tasks by Adolescents With Inflammatory Bowel Disease: A Step in the Pathway of Transition. Inflamm Bowel Dis 2018; 24:1114-1122. [PMID: 29788360 PMCID: PMC6093193 DOI: 10.1093/ibd/izy021] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Social media is commonly used among the adolescent and young adult population, including those with chronic diseases. For adults, these platforms have been shown to be a major source of health information. Our aims were to explore how youth with inflammatory bowel disease (IBD) use social media for (1) disease information gathering, (2) provider communication, (3) sense of belonging to the IBD community, (4) self-expression around IBD, and (5) disease management/monitoring. METHODS An anonymous and voluntary survey was administered to IBD patients age 12 to 25 years at a single center over 4 months. RESULTS Of 218 patients approached, there were 109 respondents. The mean age of the cohort (SD) was 18 (2.9) years, 65% were male, and 82% had Crohn's disease. Almost all patients accessed the Internet daily, but only 17% reported looking up information about IBD "always" or "often." Less than half (47%) turned to medical websites (WebMD or Crohn's and Colitis Foundation) for information. A small number (16%) connected with other IBD patients. Patients' preferred communication with provider was by e-mail (88%) compared with a phone call to the office (67%) or hospital website/patient portal (52%). Few patients used mobile applications to monitor symptoms (2%) or for medication reminders (9%), although there was professed interest. CONCLUSIONS Adolescents and young adults with IBD are less likely than adults to use social media for health-related activities. They prefer e-mail rather than oral communication between visits, and privacy seems to be less of a concern. Targeted education and skill building may be helpful for this transitioning population.
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Affiliation(s)
- Winnie Szeto
- Department of Internal Medicine, Section of Gastroenterology, Boston Medical Center, Boston, Massachusetts,Address correspondence to: Winnie Szeto, MD, Section of Gastroenterology, Boston Medical Center, 11 Nevins St., Suite 402 Brighton, MA 02135 ()
| | - Annelotte van der Bent
- Department of Pediatric Gastroenterology, VU University Medical Center, Amsterdam, the Netherlands
| | - Carter R Petty
- Institutional Centers for Clinical and Translational Research, Boston Children’s Hospital, Boston, Massachusetts
| | - Jason Reich
- Department of Internal Medicine, Section of Gastroenterology, Boston Medical Center, Boston, Massachusetts
| | - Francis Farraye
- Department of Internal Medicine, Section of Gastroenterology, Boston Medical Center, Boston, Massachusetts
| | - Laurie N Fishman
- Inflammatory Bowel Disease Center, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts
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Affiliation(s)
- Harini Naidu
- Section of Gastroenterology, Emory University Hospital, Atlanta, Georgia
| | - Winnie Szeto
- Section of Gastroenterology, St. Elizabeth's Hospital, Cambridge, Massachusetts
| | - Eugene Kissin
- Section of Rheumatology, Boston Medical CenterBoston, Massachusetts
| | - Francis A Farraye
- Section of Gastroenterology, Boston Medical CenterBoston, Massachusetts
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Szeto W, Garcia-Buitrago MT, Abbo L, Rosenblatt JD, Moshiree B, Morris MI. Clofazimine Enteropathy: A Rare and Underrecognized Complication of Mycobacterial Therapy. Open Forum Infect Dis 2016; 3:ofw004. [PMID: 27800519 PMCID: PMC5084711 DOI: 10.1093/ofid/ofw004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 01/12/2016] [Indexed: 11/15/2022] Open
Abstract
Clofazimine-induced crystal-storing histiocytosis is a rare complication of treatment previously reported in dermatology literature as a complication of leprosy therapy. We report a case of disseminated Mycobacterium abscessus requiring treatment with high-dose oral clofazimine resulting in enteropathy in a patient who presented with abdominal pain, malnutrition, and melena.
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Affiliation(s)
| | | | | | - Joseph D Rosenblatt
- Division of Hematology and Oncology, Department of Medicine , University of Miami, Leonard M. Miller School of Medicine , Florida
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Vallabhajosyula P, Robb JD, Menon R, Gottret J, Desai N, Szeto W, Pochettino A, Bavaria JE. 189 * MANAGING DISTAL ARCH TEARS IN DEBAKEY I AORTIC DISSECTION: CUT OR STENT? Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu276.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Rylski B, Szeto W, Bavaria JE, Walsh E, Anwaruddin S, Desai N, Herrmann H, Milewski RK. 137 * TRANSCATHETER AORTIC VALVE IMPLANTATION IN PATIENTS WITH ASCENDING AORTIC DILATATION: SAFETY OF THE PROCEDURE AND MID-TERM FOLLOW-UP OF 100 PATIENTS. Interact Cardiovasc Thorac Surg 2013. [DOI: 10.1093/icvts/ivt372.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Vallabhajosyula P, Komlo C, Szeto W, Desai N, Bavaria JE. 100 * PREOPERATIVE AORTIC ANNULUS DIAMETER AFFECTS VALVE DURABILITY IN BICUSPID AORTIC VALVE PATIENTS UNDERGOING PRIMARY VALVE REPAIR PLUS SUBCOMMISSURAL ANNULOPLASTY FOR AORTIC INSUFFICIENCY. Interact Cardiovasc Thorac Surg 2013. [DOI: 10.1093/icvts/ivt372.100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Desai N, Menon R, Szeto W, Woo YJ, Moeller P, Moser W, Vallabhajosyula P, Bavaria JE. 200 * RETROGRADE AORTIC DISSECTION AFTER THORACIC ENDOVASCULAR AORTIC REPAIR: OPERATIVE MANAGEMENT TECHNIQUES AND PITFALLS. Interact Cardiovasc Thorac Surg 2013. [DOI: 10.1093/icvts/ivt372.200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Szeto W, Jiang W, Tice DA, Rubinfeld B, Hollingshead PG, Fong SE, Dugger DL, Pham T, Yansura DG, Wong TA, Grimaldi JC, Corpuz RT, Singh JS, Frantz GD, Devaux B, Crowley CW, Schwall RH, Eberhard DA, Rastelli L, Polakis P, Pennica D. Overexpression of the retinoic acid-responsive gene Stra6 in human cancers and its synergistic induction by Wnt-1 and retinoic acid. Cancer Res 2001; 61:4197-205. [PMID: 11358845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
Abstract
Genetic defects in the Wnt-1 signaling pathway contribute to human tumor progression and are especially prevalent in colorectal cancer. We screened mouse C57MG cells to isolate mRNAs induced by Wnt-1 and identified Stra6, an mRNA known to be up-regulated by retinoic acid. Up-regulation of Stra6 mRNA was also observed in hyperplastic mammary tissue and mammary gland tumors from transgenic mice expressing Wnt-1 and in human tumors that frequently harbor defects in Wnt-1 signaling. Stimulation of C57MG cells with retinoic acid plus Wnt-1 resulted in expression of Stra6 transcript to levels greatly exceeding that observed with either stimulus alone. This synergy could be explained in part by the up-regulation of retinoic acid receptor-gamma that was observed in response to Wnt-1 signaling. Accordingly, treatment of human colorectal cancer cell lines with retinoic acid resulted in the up-regulation of Stra6 mRNA and accumulation of Stra6 protein at the cell membrane. The data support a model in which Wnt-1 signaling synergizes with retinoids to activate retinoic acid receptor-gamma-responsive genes in human cancers.
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MESH Headings
- Adenocarcinoma/genetics
- Adenocarcinoma/metabolism
- Animals
- Antineoplastic Agents/pharmacology
- Chromosomes, Human, Pair 15
- Colonic Neoplasms/genetics
- Colonic Neoplasms/metabolism
- DNA, Complementary/genetics
- DNA, Complementary/isolation & purification
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic/drug effects
- Humans
- Mammary Neoplasms, Experimental/genetics
- Mammary Neoplasms, Experimental/metabolism
- Membrane Proteins/biosynthesis
- Membrane Proteins/genetics
- Mice
- Mice, Inbred BALB C
- Mice, Transgenic
- Proto-Oncogene Proteins/biosynthesis
- Proto-Oncogene Proteins/genetics
- Proto-Oncogene Proteins/physiology
- RNA, Messenger/biosynthesis
- RNA, Messenger/genetics
- Reverse Transcriptase Polymerase Chain Reaction
- Signal Transduction/physiology
- Tretinoin/pharmacology
- Tumor Cells, Cultured
- Wnt Proteins
- Wnt1 Protein
- Zebrafish Proteins
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Affiliation(s)
- W Szeto
- Department of Molecular Oncology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
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Kreisel D, Krupnick AS, Szeto W, Popma SH, Krasinskas AM, Rosengard B. Mouse vascular endothelium activates alloreactive CD8+ T lymphocytes in B-7 dependent fashion. J Heart Lung Transplant 2001; 20:249. [PMID: 11250492 DOI: 10.1016/s1053-2498(00)00566-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- D Kreisel
- University of Pennsylvania, Philadelphia, PA, USA
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Popma SH, Krasinskas AM, Kreisel D, Szeto W, McLean AD, Moore JS, Rosengard BR. Simultaneous blockade of B7-CD28 and CD40-CD40L costimulation eliminates the direct xenorestricted human anti-porcine T-cell response. Transplant Proc 2001; 33:767-9. [PMID: 11267061 DOI: 10.1016/s0041-1345(00)02245-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- S H Popma
- Department of Surgery, The University of Pennsylvania Health System, Philadelphia, Pennsylvania, USA
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Dennis S, Aikawa M, Szeto W, d'Amore PA, Papkoff J. A secreted frizzled related protein, FrzA, selectively associates with Wnt-1 protein and regulates wnt-1 signaling. J Cell Sci 1999; 112 ( Pt 21):3815-20. [PMID: 10523516 DOI: 10.1242/jcs.112.21.3815] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The Wnt gene family encodes proteins that serve key roles in differentiation and development. Wnt proteins interact with seven transmembrane receptors of the Frizzled family and activate a signaling pathway leading to the nucleus. A primary biochemical effect of Wnt-1 signaling is the stabilization of cytoplasmic (beta)-catenin which, in association with transcription factors of the Lef/tcf family, regulates gene expression. The recent identification of a new class of secreted proteins with similarity to the extracellular, ligand-binding domain of Frizzled proteins, soluble Frizzled related proteins (sFRP), suggested that additional mechanisms could regulate Wnt signaling. Here we demonstrate that FrzA, a sFRP that is highly expressed in vascular endothelium and a variety of epithelium, specifically binds to Wnt-1 protein, but not Wnt-5a protein, and modulates Wnt-1 signaling. FrzA associated with Wnt-1 either when expressed in the same cell or when soluble FrzA was incubated with Wnt-1-expressing cells. FrzA efficiently inhibited the Wnt-1 mediated increase in cytoplasmic (beta)-catenin levels as well as the Wnt-1 induction of transcription from a Lef/tcf reporter gene. The effects of FrzA on (beta)-catenin levels could be demonstrated when co-expressed with Wnt-1 or when individual cells expressing FrzA and Wnt-1 were co-cultured. These data demonstrate the existence of a negative regulatory mechanism mediated by the selective binding of FrzA to Wnt-1 protein.
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Affiliation(s)
- S Dennis
- Megabios Corporation, Burlingame California 94010, USA
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Wright M, Aikawa M, Szeto W, Papkoff J. Identification of a Wnt-responsive signal transduction pathway in primary endothelial cells. Biochem Biophys Res Commun 1999; 263:384-8. [PMID: 10491302 DOI: 10.1006/bbrc.1999.1344] [Citation(s) in RCA: 99] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The beta-catenin signal transduction pathway, which can be activated by secreted Wnt proteins, plays a key role in normal embryonic development and in malignant transformation of the mammary gland and colon. Here we demonstrate, for the first time, that Wnt and beta-catenin signaling also function in cells of the vasculature. RT-PCR analysis showed that primary endothelial and smooth muscle cell cultures, of both mouse and human origin, express members of the Wnt and Wnt receptor (Frizzled) gene families. Transfection of an expression vector for Wnt-1 into primary endothelial cells increased both the free pool of beta-catenin and the transcription from a Lef/tcf-dependent reporter gene construct. Expression of Wnt-1, but not Wnt-5a, also stimulated proliferation of primary endothelial cell cultures. These data show that Wnt and Frizzled proteins can regulate signal transduction, via beta-catenin, in endothelial cells. These findings suggest that Wnt signaling may feature in normal differentiation of the vasculature as well as in pathological settings where endothelial and smooth muscle proliferation is disturbed.
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Affiliation(s)
- M Wright
- Valentis Corporation, 863A Mitten Road, Burlingame, California, 94010, USA
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Okamuro JK, Szeto W, Lotys-Prass C, Jofuku KD. Photo and hormonal control of meristem identity in the Arabidopsis flower mutants apetala2 and apetala1. Plant Cell 1997; 9:37-47. [PMID: 9014363 PMCID: PMC156899 DOI: 10.1105/tpc.9.1.37] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
We have analyzed the contributions of phytochrome and gibberellin signal transduction to the control of flower meristem identity in the Arabidopsis mutants apetala1 (ap1) and apetala2 (ap2). ap1 flowers are partially defective for the establishment of flower meristem identity and are characterized by the production of ectopic secondary or axillary flowers and by branching. Axillary flower production is also induced in ap2-1 flowers by short-day photoperiod and is suppressed by hy1, a mutation blocking phytochrome activity. The production of axillary flower by ap2-1 is also suppressed by exogenous gibberellins and by spindly (spy), a mutation that activates basal gibberellin signal transduction in hormone-independent manner. Ectopic axillary flower production and floral branching by ap1 flowers are also suppressed by spy. We conclude that gibberellins promote flower meristem identity and that the inflorescence-like traits of ap2-1 and ap1-1 flowers are due in part to SPY gene activity.
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Affiliation(s)
- J K Okamuro
- Department of Biology, Sinsheimer Laboratories, University of California, Santa Cruz 95064, USA
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Okamuro JK, Szeto W, Lotys-Prass C, Jofuku KD. Photo and hormonal control of meristem identity in the Arabidopsis flower mutants apetala2 and apetala1. Plant Cell 1997. [PMID: 9014363 DOI: 10.2307/3870369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
We have analyzed the contributions of phytochrome and gibberellin signal transduction to the control of flower meristem identity in the Arabidopsis mutants apetala1 (ap1) and apetala2 (ap2). ap1 flowers are partially defective for the establishment of flower meristem identity and are characterized by the production of ectopic secondary or axillary flowers and by branching. Axillary flower production is also induced in ap2-1 flowers by short-day photoperiod and is suppressed by hy1, a mutation blocking phytochrome activity. The production of axillary flower by ap2-1 is also suppressed by exogenous gibberellins and by spindly (spy), a mutation that activates basal gibberellin signal transduction in hormone-independent manner. Ectopic axillary flower production and floral branching by ap1 flowers are also suppressed by spy. We conclude that gibberellins promote flower meristem identity and that the inflorescence-like traits of ap2-1 and ap1-1 flowers are due in part to SPY gene activity.
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Affiliation(s)
- J K Okamuro
- Department of Biology, Sinsheimer Laboratories, University of California, Santa Cruz 95064, USA
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Okamuro JK, den Boer BG, Lotys-Prass C, Szeto W, Jofuku KD. Flowers into shoots: photo and hormonal control of a meristem identity switch in Arabidopsis. Proc Natl Acad Sci U S A 1996; 93:13831-6. [PMID: 8943021 PMCID: PMC19440 DOI: 10.1073/pnas.93.24.13831] [Citation(s) in RCA: 93] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Little is known about the signals that govern the network of meristem and organ identity genes that control flower development. In Arabidopsis, we can induce a heterochronic switch from flower to shoot development, a process known as floral meristem reversion, by manipulating photo-period in the floral homeotic mutant agamous and in plants heterozygous for the meristem identity gene leafy. The transformation from flower to shoot meristem is suppressed by hy1, a mutation blocking phytochrome activity, by spindly, a mutation that activates basal gibberellin signal transduction in a hormone independent manner, or by the exogenous application of gibberellins. We propose that LFY and AG play an important role in the maintenance of flower meristem identity and that floral meristem reversion in heterozygous lfy and in ag flowers is regulated by a phytochrome and gibberellin signal transduction cascade.
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Affiliation(s)
- J K Okamuro
- Department of Biology, University of California, Santa Cruz 95064, USA
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Abstract
A model system for studying cerebral microvasculature is presented in which submerged in vitro brain slices are examined by computerized videomicroscopy. Brain slices are superfused continuously with artificial cerebrospinal fluid, while blood vessels are monitored using a transmission light microscope with water immersion objectives. The responses to well-characterized vasoactive compounds indicate that basic physiological characteristics are maintained in this preparation. This model system represents a simple and rapid technique for studying cerebrovascular responses under conditions in which vessels are surrounded by their normal cellular microenvironment. An additional advantage of this technique is the ability to perform simultaneous electrophysiological recordings in identified neurons. This will facilitate the study of interactions between neuronal and vascular elements and may help elucidate mechanisms underlying the local regulation of cerebral microvasculature.
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Affiliation(s)
- O Sagher
- Department of Neurological Surgery, University of Virginia, Charlottesville 22908
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