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Nallet C, Puyraveau M, Lallemant M, Ramanah R, Simon A, Krausz M, Riethmuller D, Mottet N. 432 Mid-cavity vacuum-assisted delivery: Description of a large cohort of 1097 women, and development of a clinical risk score of failure. Eur J Obstet Gynecol Reprod Biol 2022. [DOI: 10.1016/j.ejogrb.2021.11.363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Cardesa-Salzmann TM, Simon A, Graf N. Antibiotics in early life and childhood pre-B-ALL. Reasons to analyze a possible new piece in the puzzle. Discov Oncol 2022; 13:5. [PMID: 35201533 PMCID: PMC8777491 DOI: 10.1007/s12672-022-00465-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/23/2021] [Indexed: 11/29/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common pediatric cancer with precursor B-cell ALL (pB-ALL) accounting for ~ 85% of the cases. Childhood pB-ALL development is influenced by genetic susceptibility and host immune responses. The role of the intestinal microbiome in leukemogenesis is gaining increasing attention since Vicente-Dueñas' seminal work demonstrated that the gut microbiome is distinct in mice genetically predisposed to ALL and that the alteration of this microbiome by antibiotics is able to trigger pB-ALL in Pax5 heterozygous mice in the absence of infectious stimuli. In this review we provide an overview on novel insights on the role of the microbiome in normal and preleukemic hematopoiesis, inflammation, the effect of dysbiosis on hematopoietic stem cells and the emerging importance of the innate immune responses in the conversion from preleukemic to leukemic state in childhood ALL. Since antibiotics, which represent one of the most widely used medical interventions, alter the gut microbial composition and can cause a state of dysbiosis, this raises exciting epidemiological questions regarding the implications for antibiotic use in early life, especially in infants with a a preleukemic "first hit". Sheading light through a rigorous study on this piece of the puzzle may have broad implications for clinical practice.
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Cordel H, Tantet C, Stempak T, Billaud E, Mosnier E, Huber F, Florence S, Leclerc D, Freire-Maresca A, de Champs Léger H, Ahouanto M, Linard F, Petruzzi M, Hamel E, Le Lay E, Lydié N, Simon A, Alcouffe L, Vignier N. Addressing sexuality and sexual health with migrants. Practice guidelines. Infect Dis Now 2022; 52:61-67. [DOI: 10.1016/j.idnow.2022.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 01/18/2022] [Indexed: 10/19/2022]
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Clesse C, Rivat M, Simon A, Belot R, Lighezzolo-Alnot J. Période périnatale et Rorschach : normes, indicateurs, mentalisation et perspectives théorico-cliniques. PSYCHOLOGIE FRANCAISE 2021. [DOI: 10.1016/j.psfr.2021.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Bingham NS, Rooke S, Park J, Simon A, Zhu W, Zhang X, Batley J, Watts JD, Leighton C, Dahmen KA, Schiffer P. Experimental Realization of the 1D Random Field Ising Model. PHYSICAL REVIEW LETTERS 2021; 127:207203. [PMID: 34860045 DOI: 10.1103/physrevlett.127.207203] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
We have measured magnetic-field-induced avalanches in a square artificial spin ice array of interacting nanomagnets. Starting from the ground state ordered configuration, we imaged the individual nanomagnet moments after each successive application of an incrementally increasing field. The statistics of the evolution of the moment configuration show good agreement with the canonical one-dimensional random field Ising model. We extract information about the microscopic structure of the arrays from our macroscopic measurements of their collective behavior, demonstrating a process that could be applied to other systems exhibiting avalanches.
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Seewald M, Harris LH, Martin LA, Simon A. POSTER ABSTRACTS. Contraception 2021. [DOI: 10.1016/j.contraception.2021.07.094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Safrai M, Hertsberg S, Meir AB, Reubinoff B, Imbar T, Mordechai-Daniel T, Simon A. P–667 Dydrogesterone supplementation in cycles triggered with lone GnRH agonist for final oocyte maturation resulted in an acceptable pregnancy rate. Hum Reprod 2021. [DOI: 10.1093/humrep/deab130.666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Study question
Can luteal oral Dydrogesterone (Duphaston) supplementation in an antagonist cycle after a lone GnRH agonist trigger rescue the luteal phase, allowing the possibility to peruse with fresh embryo transfer?
Summary answer
Functionality of the luteal phase in an antagonist cycle after a lone GnRH agonist trigger can be restored by adding Duphaston to conventional luteal support.
What is known already
Ovarian hyperstimulation syndrome (OHSS) is dramatically reduced when using antagonist cycle with lone GnRH agonist trigger before ovum pick up. This trigger induces short luteinizing hormone (LH) and follicle-stimulating hormone (FSH) peaks, associated with reduced progesterone and estrogen levels during the luteal phase. They cause an inadequate luteal phase and a significantly reduced implantation rate leading to a freeze all practice in those cycles.
Study design, size, duration
A retrospective cohort study. The study group (n = 123) included women that underwent in vitro fertilization cycles from January 2017 to May 2020. Patients received a GnRH-antagonist with a lone GnRH-agonist trigger due to imminent OSHH. The control group (n = 374) included patients under 35 years old that, during the same time period, underwent a standard antagonist protocol with a dual trigger of a GnRH-agonist and hCG.
Participants/materials, setting, methods
Study patients were given Dydrogesterone (Duphaston) in addition to micronized progesterone vaginal pills (Utrogestan) for luteal support (Duphaston group). Controls were treated conventionally with Utrogestan for luteal phase support (hCG group). The outcomes measured were pregnancy rate and OHSS events.
Main results and the role of chance
Our study was the first to evaluate the addition of Duphaston to standard luteal phase support in an antagonist cycle triggered by a lone GnRH agonist before a fresh embryo transfer. The mean number of oocytes retrieved and estradiol plasma levels were significantly higher in the Duphaston group than in the hCG group (16.9 ±7.7 vs. 10.8 ± 5.3 and 11658 ± 5280 pmol/L vs. 6048 ± 3059 pmol/L, respectively). The fertilization rate was comparable between the two groups. The mean number of embryos transferred and the clinical pregnancy rate were also comparable between groups (1.5 ± 0.6 vs 1.5 ± 0.5 and 46.3% vs 40.9%, respectively). No OHSS event was reported in either group.
Limitations, reasons for caution
This retrospective study may carry an inherent selection and information bias, derived from medical record coding. An additional limitation was the choice of physician for the lone GnRH trigger, which may have introduced a selection bias and another potential caveat was the relatively small sample size of our study groups.
Wider implications of the findings: The addition of Duphaston to conventional luteal support could effectively salvage the luteal phase without increasing the risk for OHSS. This enables, to peruse in those cycle, with fresh embryo transfer, avoiding the need to freeze all the embryos and postponed embryo transfer. Leading to lower psychological burden and costs.
Trial registration number
0632–20-HMO
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Chateauneuf J, Simon A, Vignier N, Stempak-Droissart T, Penot P. Dépistage par TROD VIH des personnes consultant en CPEF et de leurs accompagnants. Infect Dis Now 2021. [DOI: 10.1016/j.idnow.2021.06.223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Bellec J, Rigal L, Jaksic N, Caille P, Lederlin M, Lafond C, Martins R, De Crevoisier R, Simon A. PD-0891 Cardio-respiratory ITV for cardiac radioablation in case of ventricular tachycardia. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07170-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Strzelczyk A, Schubert-Bast S, Zöllner J, Simon A, Wyatt G, Holland R, Rosenow F. P 55. Epidemiology, Healthcare Resource Use, and Mortality in Patients with Tuberous Sclerosis Complex: A Population-Based Study on German Health Insurance Data. Clin Neurophysiol 2021. [DOI: 10.1016/j.clinph.2021.02.371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Hufnagel M, Simon A, Trapp S, Liese J, Reinke S, Klein W, Parlowsky T, Pfeil J, Renk H, Berner R, Hübner J, Kummer S, Tillmann R. Erratum zu: Antibiotische Standardtherapie häufiger Infektionskrankheiten in der ambulanten Pädiatrie. Monatsschr Kinderheilkd 2021. [DOI: 10.1007/s00112-021-01221-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Nottmeier C, Liao N, Simon A, Decker MG, Luther J, Schweizer M, Yorgan T, Kaucka M, Bockamp E, Kahl-Nieke B, Amling M, Schinke T, Petersen J, Koehne T. Wnt1 Promotes Cementum and Alveolar Bone Growth in a Time-Dependent Manner. J Dent Res 2021; 100:1501-1509. [PMID: 34009051 PMCID: PMC8649456 DOI: 10.1177/00220345211012386] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The WNT/β-catenin signaling pathway plays a central role in the biology
of the periodontium, yet the function of specific extracellular WNT
ligands remains poorly understood. By using a
Wnt1-inducible transgenic mouse model targeting
Col1a1-expressing alveolar osteoblasts,
odontoblasts, and cementoblasts, we demonstrate that the WNT ligand
WNT1 is a strong promoter of cementum and alveolar bone formation in
vivo. We induced Wnt1 expression for 1, 3, or 9 wk in
Wnt1Tg mice and analyzed them at the age of 6 wk and 12 wk.
Micro–computed tomography (CT) analyses of the mandibles revealed a
1.8-fold increased bone volume after 1 and 3 wk of
Wnt1 expression and a 3-fold increased bone
volume after 9 wk of Wnt1 expression compared to
controls. In addition, the alveolar ridges were higher in Wnt1Tg mice
as compared to controls. Nondecalcified histology demonstrated
increased acellular cementum thickness and cellular cementum volume
after 3 and 9 wk of Wnt1 expression. However, 9 wk of
Wnt1 expression was also associated with
periodontal breakdown and ectopic mineralization of the pulp. The
composition of this ectopic matrix was comparable to those of cellular
cementum as demonstrated by quantitative backscattered electron
imaging and immunohistochemistry for noncollagenous proteins. Our
analyses of 52-wk-old mice after 9 wk of Wnt1
expression revealed that Wnt1 expression affects
mandibular bone and growing incisors but not molar teeth, indicating
that Wnt1 influences only growing tissues. To further
investigate the effect of Wnt1 on cementoblasts, we
stably transfected the cementoblast cell line (OCCM-30) with a vector
expressing Wnt1-HA and performed proliferation as
well as differentiation experiments. These experiments demonstrated
that Wnt1 promotes proliferation but not
differentiation of cementoblasts. Taken together, our findings
identify, for the first time, Wnt1 as a critical
regulator of alveolar bone and cementum formation, as well as provide
important insights for harnessing the WNT signal pathway in
regenerative dentistry.
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Vela MM, Bowles C, Raj B, Robinson D, Simon A. Agreement between Anti-Factor Xa and Activated Partial Thromboplastin Time Measurements in Syncardia Total Artificial Heart Recipients Receiving Postoperative Anticoagulation with Unfractionated Heparin. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Sef AV, Sef D, Mohite P, Saez DG, Trkulja V, Raj B, Reed A, Doce AH, Lees N, Mahesh B, De Robertis F, McGovern I, Simon A, Stock U. Early Results after Lung Transplantation in Patients Bridged with Extracorporeal Life Support: Experience from a 7-year Period. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Potapov E, Politis N, Rieger S, Karck M, Weyand M, Walther T, Emrich F, Reichenspurrner H, Bernhadt A, Barten M, Svenarud P, Gummert J, Simon A, Sef D, Doenst T, Tsyganenko D, Falk V. Results of Multicenter Evaluation of Plug Use for LVAD Explantation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Toenges R, Greinix H, Lawitschka A, Halter J, Baumgartner A, Simon A, Arends J, Jäger P, Middeke M, Hilgendorf I, Klein S, Wagner-Drouet EM, Schmid C, Bug G, Wolff D. Current practice in nutrition after allogeneic hematopoietic stem cell transplantation - Results from a survey among hematopoietic stem cell transplant centers. Clin Nutr 2021; 40:1571-1577. [PMID: 33744601 DOI: 10.1016/j.clnu.2021.02.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Allogeneic hematopoietic stem cell transplantation (alloHSCT) is frequently associated with impaired oral intake and malnutrition, which potentially increases morbidity and mortality. Therefore, nutrition is one of the major challenges in the post-transplant period. METHODS To document the current clinical approach in nutritional treatment, we designed a questionnaire concerning the current practice in nutrition after alloHSCT and distributed it to German speaking centers performing alloHSCT in Germany, Austria and Switzerland between November 2018 and March 2020. Twenty-eight (39%) of 72 contacted centers completed the survey, 23 from Germany, two from Austria and three from Switzerland, representing 50% of alloHSCT activity within the participating countries in 2018. RESULTS All centers reported having nutritional guidelines for patients undergoing alloHSCT, whereby 86% (n = 24) provided a low-microbial diet during the neutropenic phase. The criteria to start parenteral nutrition (PN) directly after alloHSCT seemed to be consistent, 75% (n = 21) of the corresponding centers started PN if the oral nutritional intake or the bodyweight dropped below a certain limit. In the setting of intestinal graft-versus-host disease (GvHD) the current practice appeared to be more heterogenous. About 64% (n = 18) of the centers followed a special diet, added food stepwise modulated by GvHD symptoms, while only four centers regularly stopped oral intake completely (intestinal GvHD grade >1). Half of the centers (54%, n = 15) applied a lactose-free diet, followed by 43% (n = 12) which provided fat- and 18% (n = 5) gluten-free food in patients with intestinal GvHD. Supplementation of micronutrients in acute intestinal GvHD patients was performed by 54% (n = 15) of the centers, whereas vitamin D (89%, n = 25) and vitamin B12 (68%, n = 19) was added regularly independently of the presence of GvHD. Only 5 (18%) participating centers ever observed a food-associated infection during hospitalization, whereas food-associated infections were reported to occur more often in the outpatient setting (64%, n = 18). CONCLUSION The survey documented a general consensus about the need for nutritional guidelines for patients undergoing alloHSCT. However, the nutritional treatment in clinical practice (i.e. lactose-, gluten- or fat-free in intestinal GvHD) as well as the use of food supplements was very heterogeneous. In line with current general recommendations the centers seemed to focus on safe food handling practice rather than providing a strict neutropenic diet. More high-quality data are required to provide evidence-based nutrition to patients during and after alloHSCT.
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Cabon S, Porée F, Cuffel G, Rosec O, Geslin F, Pladys P, Simon A, Carrault G. Voxyvi: A system for long-term audio and video acquisitions in neonatal intensive care units. Early Hum Dev 2021; 153:105303. [PMID: 33453631 DOI: 10.1016/j.earlhumdev.2020.105303] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 11/04/2020] [Accepted: 12/21/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND In the European Union, 300,000 newborn babies are born prematurely every year. Their care is ensured in Neonatal Intensive Care Units (NICU) where vital signs are constantly monitored. In addition, other descriptors such as motion, facial and vocal activities have been shown to be essential to assess neurobehavioral development. AIM In the scope of the European project Digi-NewB, we aimed to develop and evaluate a new audio-video device designed to non-invasively acquire multi-modal data (audio, video and thermal images), while fitting the wide variety of bedding environment in NICU. METHODS Firstly, a multimodal system and associated software and guidelines to collect data in neonatal intensive care unit were proposed. Secondly, methods for post-evaluation of the acquisition phase were developed, including the study of clinician feedback and a qualitative analysis of the data. RESULTS The deployment of 19 acquisition devices in six French hospitals allowed to record more than 500 newborns of different gestational and postmenstrual ages. After the acquisition phase, clinical feedback was mostly positive. In addition, quality of more than 300 recordings was inspected and showed that 77% of the data is exploitable. In depth, the percentage of sole presence of the newborn was estimated at 62% within recordings. CONCLUSIONS This study demonstrates that audio-video acquisitions are feasible on a large scale in real life in NICU. The experience also allowed us to make a clear observation of the requirements and challenges that will have to be overcome in order to set up audio-video monitoring methods.
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Bellec J, Simon A, Benali K, Jaksic N, Caille P, Lederlin M, Lafond C, de Crevoisier R, Martins R. Cardiac stereotactic body radiation therapy for refractory ventricular tachycardia: Impact of cardiac and respiratory movement on the target volume definition. ARCHIVES OF CARDIOVASCULAR DISEASES SUPPLEMENTS 2021. [DOI: 10.1016/j.acvdsp.2020.10.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Brin C, Godefroy N, Simon A, Robert J, Bebear C, Agher R, Monsel G, Palich R, Caumes E. Caractères épidémiologiques cliniques et thérapeutiques des infections à Mycoplasma genitalium dans un centre parisien. Ann Dermatol Venereol 2020. [DOI: 10.1016/j.annder.2020.09.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lahiji AP, Anderson KE, Chan A, Simon A, Desnick RJ, Ramanujam VMS. 5-Aminolevulinate dehydratase porphyria: Update on hepatic 5-aminolevulinic acid synthase induction and long-term response to hemin. Mol Genet Metab 2020; 131:418-423. [PMID: 33199206 DOI: 10.1016/j.ymgme.2020.10.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND 5-Aminolevulinic acid dehydratase (ALAD) porphyria (ADP) is an ultrarare autosomal recessive disease, with only eight documented cases, all of whom were males. Although classified as an acute hepatic porphyria (AHP), induction of the rate limiting hepatic enzyme 5-aminolevulinic acid synthase-1 (ALAS1) has not been demonstrated, and the marrow may also contribute excess 5-aminolevulinic acid (ALA). Two patients have died and reported follow up for the others is limited, so the natural history of this disease is poorly understood and treatment experience limited. METHODS We report new molecular findings and update the clinical course and treatment of the sixth reported ADP patient, now 31 years old and the only known case in the Americas, and review published data regarding genotype-phenotype correlation and treatment. RESULTS Circulating hepatic 5-aminolevulinic acid synthase-1 (ALAS1) mRNA was elevated in this case, as in other AHPs. Gain of function mutation of erythroid specific ALAS2 - an X-linked modifying gene in some other porphyrias - was not found. Seven reported ADP cases had compound heterozygous ALAD mutations resulting in very low residual ALAD activity and symptoms early in life or adolescence. One adult with a germline ALAD mutant allele developed ADP in association with a clonal myeloproliferative disorder, polycythemia vera. CONCLUSIONS Elevation in circulating hepatic ALAS1 and response to treatment with hemin indicate that the liver is an important source of excess ALA in ADP, although the marrow may also contribute. Intravenous hemin was effective in most reported cases for treatment and prevention of acute attacks of neurological symptoms.
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MESH Headings
- 5-Aminolevulinate Synthetase/blood
- 5-Aminolevulinate Synthetase/genetics
- Adolescent
- Adult
- Child
- Child, Preschool
- Female
- Heme/genetics
- Hemin/administration & dosage
- Humans
- Infant
- Infant, Newborn
- Liver/metabolism
- Liver/pathology
- Male
- Middle Aged
- Mutation/genetics
- Porphobilinogen/metabolism
- Porphobilinogen Synthase/blood
- Porphobilinogen Synthase/deficiency
- Porphobilinogen Synthase/genetics
- Porphyria, Acute Intermittent/blood
- Porphyria, Acute Intermittent/drug therapy
- Porphyria, Acute Intermittent/genetics
- Porphyria, Acute Intermittent/pathology
- Porphyrias, Hepatic/blood
- Porphyrias, Hepatic/drug therapy
- Porphyrias, Hepatic/genetics
- Porphyrias, Hepatic/pathology
- RNA, Messenger/blood
- Young Adult
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Stephane K, Houssayni A, Cassard U, Barateau A, Duvergé L, Largent A, Acosta O, Nunes J, Messai T, Simon A, Dowling J, Perichon N, De Crevoisier R. PO-1484: MRI only based planning to decrease toxicity in prostate cancer IMRT/IGRT: a dosimetric study. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)01502-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Noël L, Tubiana R, Simon A, Valantin MA, Palich R, Blanc C, Katlama C, Marcelin AG, Calvez V, Todesco E. Low immune response rate of HIV-infected patients to a single injection of hepatitis A vaccine. Infect Dis Now 2020; 51:94-96. [PMID: 33022294 DOI: 10.1016/j.medmal.2020.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 04/01/2020] [Accepted: 09/24/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVES We aimed to evaluate the immune response of HIV-1 positive patients to a single injection of HAV vaccine in a context of vaccine shortage during the 2017 European outbreak. METHODS We retrospectively enrolled all HIV-1 positive patients vaccinated by a single injection of HAV vaccine Vaqta 50®. HAV serology was performed before and>30 days after the vaccine injection. RESULTS Among the 73 patients, HIV-1 viral load was≤50 copies/mL in 93.2% of the cases. Medians of CD4 and median ratio of T CD4/CD8 cells were 658/mm3 and 0.9, respectively. A low immune response rate (59.7%) was observed among the patients. Responders had a significantly higher CD4/CD8 cell ratio than non-responders. CONCLUSIONS A serologic control should be recommended in this population in the event of a single injection vaccination schedule. During routine follow-up, and prior to any untoward event, physicians should assess the vaccination coverage of HIV-infected patients.
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Lenartova K, Vila P, Williamson S, Moravcova S, Wypych-Zych A, Stevens K, Simon A, Walker C. LVAD, heart failure journey continues. J Cardiothorac Vasc Anesth 2020. [DOI: 10.1053/j.jvca.2020.09.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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49
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Bellec J, Simon A, Jaksic N, Caille P, Léderlin M, Lafond C, Martins R, de Crevoisier R. Radiothérapie ablative des tachycardies ventriculaires : impact des mouvements cardiaques et respiratoires sur la définition du volume cible. Cancer Radiother 2020. [DOI: 10.1016/j.canrad.2020.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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50
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Seewald M, Martin L, Simon A, Whaley J, Javaid N, Harris L. O7 The role of complexity and ambiguity in shaping abortion attitudes. Contraception 2020. [DOI: 10.1016/j.contraception.2020.07.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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