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Article ; Online: Kidney Injury and Hair-Straightening Products Containing Glyoxylic Acid.

Robert, Thomas / Tang, Ellie / Kervadec, Jennifer / Zaworski, Jeremy / Daudon, Michel / Letavernier, Emmanuel

2024 Volume 390, Issue 12, Page(s) 1147–1149

MeSH term(s)	Humans ; Glyoxylates/adverse effects ; Glyoxylates/pharmacology ; Hair/drug effects ; Kidney/drug effects ; Kidney/injuries ; Hair Preparations/adverse effects ; Hair Preparations/analysis ; Hair Preparations/pharmacology ; Kidney Diseases/chemically induced
Chemical Substances	Glyoxylates ; glyoxylic acid (JQ39C92HH6) ; Hair Preparations
Language	English
Publishing date	2024-03-20
Publishing country	United States
Document type	Letter
ZDB-ID	207154-x
ISSN	1533-4406 ; 0028-4793
ISSN (online)	1533-4406
ISSN	0028-4793
DOI	10.1056/NEJMc2400528
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Article ; Online: The Case | Crescentic glomerulonephritis in a kidney transplant recipient.

Isnard, Pierre / Tang, Ellie / Mroue, Ahmad / Letavernier, Emmanuel / Verine, Jérôme

Kidney international

2023 Volume 103, Issue 6, Page(s) 1205–1206

MeSH term(s)	Humans ; Kidney Transplantation/adverse effects ; Kidney ; Glomerulonephritis/diagnosis ; Glomerulonephritis, Membranoproliferative ; Acute Disease
Language	English
Publishing date	2023-04-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	120573-0
ISSN	1523-1755 ; 0085-2538
ISSN (online)	1523-1755
ISSN	0085-2538
DOI	10.1016/j.kint.2023.01.005
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Article ; Online: The Case | Acute kidney injury following infective endocarditis.

Mousseaux, Cyril / Tang, Ellie / Tristant, Maxime / Luque, Yosu / Frochot, Vincent / Mesnard, Laurent / Bazin, Dominique / Rafat, Cédric / Buob, David / Letavernier, Emmanuel

Kidney international

2023 Volume 104, Issue 4, Page(s) 863–864

MeSH term(s)	Humans ; Acute Kidney Injury/diagnosis ; Acute Kidney Injury/etiology ; Acute Kidney Injury/therapy ; Endocarditis/complications ; Endocarditis/diagnosis
Language	English
Publishing date	2023-09-23
Publishing country	United States
Document type	Case Reports
ZDB-ID	120573-0
ISSN	1523-1755 ; 0085-2538
ISSN (online)	1523-1755
ISSN	0085-2538
DOI	10.1016/j.kint.2023.06.028
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Article ; Online: A chronic infectious bladder stone causing an obstructive emphysematous cystitis.

Boutin, Louis / Zarworski, Jeremy / Tang, Ellie / Goujon, Annabelle / Plaud, Benoit / Donay, Jean-Luc / Dépret, François / Bazin, Dminique / Letavernier, Emmanuel / Dudoignon, Emmanuel

Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases

2023

Language	English
Publishing date	2023-07-26
Publishing country	England
Document type	Journal Article
ZDB-ID	1328418-6
ISSN	1469-0691 ; 1470-9465 ; 1198-743X
ISSN (online)	1469-0691
ISSN	1470-9465 ; 1198-743X
DOI	10.1016/j.cmi.2023.07.015
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Article ; Online: Vitamin D and Calcium Supplementation Accelerate Vascular Calcification in a Model of Pseudoxanthoma Elasticum.

Bouderlique, Elise / Tang, Ellie / Zaworski, Jeremy / Coudert, Amélie / Bazin, Dominique / Borondics, Ferenc / Haymann, Jean-Philippe / Leftheriotis, Georges / Martin, Ludovic / Daudon, Michel / Letavernier, Emmanuel

International journal of molecular sciences

2022 Volume 23, Issue 4

Abstract: Arterial calcification is a common feature of pseudoxanthoma elasticum (PXE), a disease characterized by : Methods: we analyzed whether long-term exposure of Abcc6: Results: at 6 months, although vitamin D and/or calcium did not significantly ... ...

Abstract	Arterial calcification is a common feature of pseudoxanthoma elasticum (PXE), a disease characterized by Methods: we analyzed whether long-term exposure of Abcc6 Results: at 6 months, although vitamin D and/or calcium did not significantly increase serum calcium levels, vitamin D and calcium supplementation significantly worsened aorta and renal artery calcification in Abcc6 Conclusions: vitamin D and/or calcium supplementation accelerate vascular calcification in a murine model of PXE. These results sound a warning regarding the use of these supplementations in PXE patients and, to a larger extent, patients with low systemic pyrophosphate levels.
MeSH term(s)	Animals ; Arteries/drug effects ; Arteries/metabolism ; Calcification, Physiologic/drug effects ; Calcium/pharmacology ; Calcium, Dietary/pharmacology ; Dietary Supplements ; Disease Models, Animal ; Female ; Mice ; Multidrug Resistance-Associated Proteins/metabolism ; Pseudoxanthoma Elasticum/drug therapy ; Pseudoxanthoma Elasticum/metabolism ; Vascular Calcification/drug therapy ; Vascular Calcification/metabolism ; Vitamin D/pharmacology
Chemical Substances	Calcium, Dietary ; Multidrug Resistance-Associated Proteins ; Vitamin D (1406-16-2) ; Calcium (SY7Q814VUP)
Language	English
Publishing date	2022-02-19
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms23042302
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Article ; Online: Preventing Calpain Externalization by Reducing ABCA1 Activity with Probenecid Limits Melanoma Angiogenesis and Development.

Hanouna, Guillaume / Tang, Ellie / Perez, Joëlle / Vandermeersch, Sophie / Haymann, Jean-Philippe / Baud, Laurent / Letavernier, Emmanuel

The Journal of investigative dermatology

2019 Volume 140, Issue 2, Page(s) 445–454

Abstract: Calpains, intracellular proteases specifically inhibited by calpastatin, play a major role in neoangiogenesis involved in tumor invasiveness and metastasis. They are partly exteriorized via the ATP-binding cassette transporter A1(ABCA1) transporter, but ... ...

Abstract	Calpains, intracellular proteases specifically inhibited by calpastatin, play a major role in neoangiogenesis involved in tumor invasiveness and metastasis. They are partly exteriorized via the ATP-binding cassette transporter A1(ABCA1) transporter, but the importance of this process in tumor growth is still unknown. The aim of our study was to investigate the role of extracellular calpains in a model of melanoma by blocking their extracellular activity or exteriorization. In the first approach, a B16-F10 model of melanoma was developed in transgenic mice expressing high extracellular levels of calpastatin. In these mice, tumor growth was inhibited by ∼ 3-fold compared with wild-type animals. In vitro cytotoxicity assays and in vivo tumor studies have demonstrated that this protection was associated with a defect in tumor neoangiogenesis. Similarly, in wild-type animals given probenecid to blunt ABCA1 activity, melanoma tumor growth was inhibited by ∼ 3-fold. Again, this response was associated with a defect in neoangiogenesis. In vitro studies confirmed that probenecid limited endothelial cell migration and capillary formation from vascular explants. The observed reduction in fibronectin cleavage under these conditions is potentially involved in the response. Collectively, these studies demonstrate that probenecid, by blunting ABCA1 activity and thereby calpain exteriorization, limits melanoma tumor neoangiogenesis and invasiveness.
MeSH term(s)	ATP Binding Cassette Transporter 1/antagonists & inhibitors ; ATP Binding Cassette Transporter 1/genetics ; ATP Binding Cassette Transporter 1/metabolism ; Animals ; Calcium-Binding Proteins/genetics ; Calcium-Binding Proteins/metabolism ; Calpain/metabolism ; Cell Line, Tumor/transplantation ; Cell Proliferation/drug effects ; Humans ; Male ; Melanoma, Experimental/blood supply ; Melanoma, Experimental/drug therapy ; Melanoma, Experimental/pathology ; Mice ; Mice, Transgenic ; Neovascularization, Pathologic/drug therapy ; Neovascularization, Pathologic/pathology ; Probenecid/pharmacology ; Probenecid/therapeutic use ; Skin Neoplasms/blood supply ; Skin Neoplasms/drug therapy ; Skin Neoplasms/pathology
Chemical Substances	ABCA1 protein, mouse ; ATP Binding Cassette Transporter 1 ; Calcium-Binding Proteins ; calpastatin (79079-11-1) ; Calpain (EC 3.4.22.-) ; Probenecid (PO572Z7917)
Language	English
Publishing date	2019-08-16
Publishing country	United States
Document type	Journal Article
ZDB-ID	80136-7
ISSN	1523-1747 ; 0022-202X
ISSN (online)	1523-1747
ISSN	0022-202X
DOI	10.1016/j.jid.2019.06.148
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Article ; Online: Elastic fiber alterations and calcifications in calcific uremic arteriolopathy.

Scientific reports

2023 Volume 13, Issue 1, Page(s) 15519

Abstract: Calcific uremic arteriolopathy (CUA) is a severely morbid disease, affecting mostly dialyzed end-stage renal disease (ESRD) patients, associated with calcium deposits in the skin. Calcifications have been identified in ESRD patients without CUA, ... ...

Abstract	Calcific uremic arteriolopathy (CUA) is a severely morbid disease, affecting mostly dialyzed end-stage renal disease (ESRD) patients, associated with calcium deposits in the skin. Calcifications have been identified in ESRD patients without CUA, indicating that their presence is not specific to the disease. The objective of this retrospective multicenter study was to compare elastic fiber structure and skin calcifications in ESRD patients with CUA to those without CUA using innovative structural techniques. Fourteen ESRD patients with CUA were compared to 12 ESRD patients without CUA. Analyses of elastic fiber structure and skin calcifications using multiphoton microscopy followed by machine-learning analysis and field-emission scanning electron microscopy coupled with energy dispersive X-ray were performed. Elastic fibers specifically appeared fragmented in CUA. Quantitative analyses of multiphoton images showed that they were significantly straighter in ESRD patients with CUA than without CUA. Interstitial and vascular calcifications were observed in both groups of ESRD patients, but vascular calcifications specifically appeared massive and circumferential in CUA. Unlike interstitial calcifications, massive circumferential vascular calcifications and elastic fibers straightening appeared specific to CUA. The origins of such specific elastic fiber's alteration are still to be explored and may involve relationships with ischemic vascular or inflammatory processes.
MeSH term(s)	Humans ; Elastic Tissue ; Calciphylaxis ; Vascular Calcification ; Kidney Failure, Chronic/complications ; Margins of Excision ; Microscopy, Electron, Scanning
Language	English
Publishing date	2023-09-19
Publishing country	England
Document type	Multicenter Study ; Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-023-42492-5
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Article ; Online: Relationship between calcinosis cutis in epidermal necrolysis and caspofungin, a physicochemical investigation

Colboc, Hester / Bettuzzi, Thomas / Badrignans, Marine / Bazin, Dominique / Boury, Antoine / Letavernier, Emmanuel / Frochot, Vincent / Tang, Ellie / Moguelet, Philippe / Ortonne, Nicolas / de Prost, Nicolas / Ingen-Housz-Oro, Saskia / Daudon, Michel

Comptes Rendus. Chimie, Vol 25, Iss S1, Pp 477-

2022 Volume 487

Abstract: Epidermal necrolysis (EN) is a rare life-threatening condition, usually drug-induced and characterised by a diffuse epidermal and mucosal detachment. Calcinosis cutis is reported in various skin diseases, occurring preferentially with tissue damage, but ... ...

Abstract	Epidermal necrolysis (EN) is a rare life-threatening condition, usually drug-induced and characterised by a diffuse epidermal and mucosal detachment. Calcinosis cutis is reported in various skin diseases, occurring preferentially with tissue damage, but has never been described in EN. Clinical, biological and histopathological characteristics of three patients were retrospectively obtained from medical charts. Immunohistochemistry of classical osteogenic markers was used to explore the pathogenesis of the calcifications; their chemical composition was determined by $\mu $Fourier transform infra-red ($\mu $FTIR) spectroscopy and their localization and morphology by field-emission scanning electron microscopy (FE-SEM). In a recent letter, part of the results of this investigation has been already presented. In this contribution, we have added original data to this previous letter. We have investigated a set of biopsies corresponding to patients who presented atypical healing retardation due to calcinosis cutis. Through FE-SEM observations at the nanometre scale, we describe different areas where are present voluminous calcifications at the surface, submicrometre spherical entities within the papillary dermis and then large “normal” fibres. FE-SEM observations show clearly that “large” calcifications are the result of an agglomeration of small spherical entities. Moreover, micrometre scale spherical entities are the results of an agglomeration of nanometer scale spherical entities. Finally, the last set of data seems to show that the starting point of the calcifications process is “distant” from the epidermis in part of the dermis which appears undamaged. Regarding the chemical composition of large calcifications, different $\mu $FTIR maps which underlined the presence of calcium-phosphate apatite have been gathered. Moreover, histopathology indicates that these pathological calcifications are not induced following a trans-differentiation of the skin cells into an osteochondrogenic phenotype. The association of ...
Keywords	Epidermal necrolysis ; Caspofungin ; Pathological calcifications ; Scanning electron microscopy ; Fourier Transform Infrared Spectroscopy ; Biochemistry ; QD415-436 ; Physical and theoretical chemistry ; QD450-801 ; Mathematics ; QA1-939
Subject code	610
Language	English
Publishing date	2022-07-01T00:00:00Z
Publisher	Académie des sciences
Document type	Article ; Online
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Article ; Online: Stiripentol protects against calcium oxalate nephrolithiasis and ethylene glycol poisoning.

Le Dudal, Marine / Huguet, Léa / Perez, Joëlle / Vandermeersch, Sophie / Bouderlique, Elise / Tang, Ellie / Martori, Carole / Chemaly, Nicole / Nabbout, Rima / Haymann, Jean-Philippe / Frochot, Vincent / Baud, Laurent / Deschênes, Georges / Daudon, Michel / Letavernier, Emmanuel

The Journal of clinical investigation

2019 Volume 129, Issue 6, Page(s) 2571–2577

Abstract: Increased urinary oxalate excretion (hyperoxaluria) promotes the formation of calcium oxalate crystals. Monogenic diseases due to hepatic enzymes deficiency result in chronic hyperoxaluria, promoting end-stage renal disease in children and young adults. ... ...

Abstract	Increased urinary oxalate excretion (hyperoxaluria) promotes the formation of calcium oxalate crystals. Monogenic diseases due to hepatic enzymes deficiency result in chronic hyperoxaluria, promoting end-stage renal disease in children and young adults. Ethylene glycol poisoning also results in hyperoxaluria promoting acute renal failure and frequently death. Stiripentol is an antiepileptic drug used to treat children affected by Dravet syndrome, possibly by inhibiting neuronal lactate dehydrogenase 5 isoenzyme. As this isoenzyme is also the last step of hepatic oxalate production, we hypothesized that Stiripentol would potentially reduce hepatic oxalate production and urine oxalate excretion. In vitro, Stiripentol decreased in a dose-dependent manner the synthesis of oxalate by hepatocytes. In vivo, Stiripentol oral administration reduced significantly urine oxalate excretion in rats. Stiripentol protected kidneys against calcium oxalate crystal deposits in acute ethylene glycol intoxication and chronic calcium oxalate nephropathy models. In both models, Stiripentol improved significantly renal function. Patients affected by Dravet syndrome and treated with Stiripentol had a lower urine oxalate excretion than control patients. A young girl affected by severe type I hyperoxaluria received Stiripentol for several weeks: urine oxalate excretion decreased by two-thirds. Stiripentol is a promising potential therapy against genetic hyperoxaluria and ethylene glycol poisoning.
MeSH term(s)	Animals ; Calcium Oxalate/metabolism ; Dioxolanes/pharmacology ; Epilepsies, Myoclonic/drug therapy ; Epilepsies, Myoclonic/metabolism ; Epilepsies, Myoclonic/pathology ; Ethylene Glycol/poisoning ; Female ; Hepatocytes/metabolism ; Hepatocytes/pathology ; Humans ; Hyperoxaluria, Primary/metabolism ; Hyperoxaluria, Primary/pathology ; Hyperoxaluria, Primary/prevention & control ; Kidney/metabolism ; Kidney/pathology ; Male ; Nephrolithiasis/metabolism ; Nephrolithiasis/prevention & control ; Rats ; Rats, Sprague-Dawley
Chemical Substances	Dioxolanes ; Calcium Oxalate (2612HC57YE) ; Ethylene Glycol (FC72KVT52F) ; stiripentol (R02XOT8V8I)
Language	English
Publishing date	2019-04-04
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	3067-3
ISSN	1558-8238 ; 0021-9738
ISSN (online)	1558-8238
ISSN	0021-9738
DOI	10.1172/JCI99822
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Article ; Online: Vitamin D and Calcium Supplementation Accelerates Randall's Plaque Formation in a Murine Model.

Bouderlique, Elise / Tang, Ellie / Perez, Joëlle / Coudert, Amélie / Bazin, Dominique / Verpont, Marie-Christine / Duranton, Christophe / Rubera, Isabelle / Haymann, Jean-Philippe / Leftheriotis, Georges / Martin, Ludovic / Daudon, Michel / Letavernier, Emmanuel

The American journal of pathology

2019 Volume 189, Issue 11, Page(s) 2171–2180

Abstract: Most kidney stones are made of calcium oxalate crystals. Randall's plaque, an apatite deposit at the tip of the renal papilla, is considered to at the origin of these stones. Hypercalciuria may promote Randall's plaque formation and growth. We analyzed ... ...

Abstract	Most kidney stones are made of calcium oxalate crystals. Randall's plaque, an apatite deposit at the tip of the renal papilla, is considered to at the origin of these stones. Hypercalciuria may promote Randall's plaque formation and growth. We analyzed whether long-term exposure of Abcc6
MeSH term(s)	Animals ; Calcinosis/chemically induced ; Calcinosis/metabolism ; Calcinosis/pathology ; Calcium, Dietary/administration & dosage ; Calcium, Dietary/adverse effects ; Dietary Supplements/adverse effects ; Disease Models, Animal ; Disease Progression ; Female ; Kidney Calculi/chemically induced ; Kidney Calculi/metabolism ; Kidney Calculi/pathology ; Kidney Medulla/metabolism ; Kidney Medulla/pathology ; Mice ; Mice, 129 Strain ; Mice, Inbred C57BL ; Mice, Knockout ; Multidrug Resistance-Associated Proteins/genetics ; Time Factors ; Vitamin D/administration & dosage ; Vitamin D/adverse effects
Chemical Substances	Abcc6 protein, mouse ; Calcium, Dietary ; Multidrug Resistance-Associated Proteins ; Vitamin D (1406-16-2)
Language	English
Publishing date	2019-08-23
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2943-9
ISSN	1525-2191 ; 0002-9440
ISSN (online)	1525-2191
ISSN	0002-9440
DOI	10.1016/j.ajpath.2019.07.013
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