Why Kolabtree
Getting started is quick and easy. No upfront fees
It’s free to request a service and invite bids from experts
Discuss requirements with the expert in detail before accepting statement of work from Kolabtree
Collaborate with the expert directly to get your work done the right way
Fund project when you hire the expert, but approve the deliverables only once work is done
Want to hire this expert for a project? Request a quote for free.
Profile Details
Create Project
USD 200 /hr
Hire Dr. Rachida N.
USD 200 /hr

R&D expertise in Skin Biology, Active ingredient development, assays for supporting Claim substantiation

Profile Summary
Subject Matter Expertise
Work Experience

Scientific consulting and communication


October 2016 - Present

R&D project manager

Greentech SA

July 2012 - October 2016

R&D project manager

Greentech Biotechnologies

July 2012 - October 2016


INRA Centre Clermont-Ferrand-Theix-Lyon

February 2011 - July 2012

Associate Assistant of Universities

Epidermis Differentiation and Rheumatoid Autoimmunity (UMR 5165)

October 2008 - October 2010

Postdoctoral Fellow

Cancer Research UK

January 2006 - October 2008

Postdoctoral fellow

Cancer Research UK

January 2006 - October 2008

PhD Student

CNRS UMR 5165, University Paul Sabatier

October 2000 - May 2005

PhD Student

Department of Dermatology, Asahikawa Medical College

July 2004 - August 2004

PhD student


June 2003 - July 2003

Master 2

Université de Limoges

June 1998 - August 1999



Université Paul Sabatier, Toulouse, France

October 2000 - April 2005

  • Certification details not provided.
Jean-Yves Berthon, Rachida Nachat-Kappes, Mathieu Bey, Jean-Paul Cadoret, Isabelle Renimel, Edith Filaire(2017). Marine algae as attractive source to skin care . Free Radical Research. 51. (6). p. 555--567. Informa {UK} Limited
Valérie Pendaries, Jeremy Malaisse, Laurence Pellerin, Marina Le Lamer, Rachida Nachat, Sanja Kezic, Anne-Marie Schmitt, Carle Paul, Yves Poumay, Guy Serre, et al.(2014). Knockdown of Filaggrin in a Three-Dimensional Reconstructed Human Epidermis Impairs Keratinocyte Differentiation . Journal of Investigative Dermatology. 134. (12). p. 2938--2946. Elsevier {BV}
Bruno Lamas, Rachida Nachat-Kappes, Nicolas Goncalves-Mendes, Florence Mishellany, Adrien Rossary, Marie-Paule Vasson, Marie-Chantal Farges(2013). Dietary fat without body weight gain increases in vivo {MCF}-7 human breast cancer cell growth and decreases natural killer cell cytotoxicity . Molecular Carcinogenesis. 54. (1). p. 58--71. Wiley
Bruno Lamas, Nicolas Goncalves-Mendes, Rachida Nachat-Kappes, Adrien Rossary, Florence Caldefie-Chezet, Marie-Paule Vasson, Marie-Chantal Farges(2013). Leptin modulates dose-dependently the metabolic and cytolytic activities of {NK}-92 cells . Journal of Cellular Physiology. 228. (6). p. 1202--1209. Wiley
Samar Basu, Rachida Nachat-Kappes, Florence Caldefie-Chézet, Marie-Paule Vasson(2013). Eicosanoids and Adipokines in Breast Cancer: From Molecular Mechanisms to Clinical Considerations . Antioxidants {\&} Redox Signaling. 18. (3). p. 323--360. Mary Ann Liebert Inc
Mariya K. Chhatriwala, Sara Cipolat, Lisa M. Sevilla, Rachida Nachat, Fiona M. Watt(2012). Exons 5{\textendash}15 of Kazrin Are Dispensable for Murine Epidermal Morphogenesis and Homeostasis . Journal of Investigative Dermatology. 132. (8). p. 1977--1987. Elsevier {BV}
Rachida Nachat-Kappes, Alexandre Pinel, Kristell Combe, Bruno Lamas, Marie-Chantal Farges, Adrien Rossary, Nicolas Goncalves-Mendes, Florence Caldefie-Chezet, Marie-Paule Vasson, Samar Basu, et al.(2012). Effects of Enriched Environment on {COX}-2, Leptin and Eicosanoids in a Mouse Model of Breast Cancer . {PLoS} {ONE}. 7. (12). p. e51525. Public Library of Science ({PLoS})
Julie Henry, Chiung-Yueh Hsu, Marek Haftek, Rachida Nachat, Heleen D. de Koning, Isabelle Gardinal-Galera, Kiyotaka Hitomi, Stéfana Balica, Catherine Jean-Decoster, Anne-Marie Schmitt, et al.(2011). Hornerin is a component of the epidermal cornified cell envelopes . The {FASEB} Journal. 25. (5). p. 1567--1576. {FASEB}
Marie-Claire Méchin, Rachida Nachat, Fanny Coudane, Véronique Adoue, Jacques Arnaud, Guy Serre, Michel Simon(2011). La d{\'{e}}simination ou citrullination . m{\'{e}}decine/sciences. 27. (1). p. 49--54. {EDP} Sciences
Shibo Ying, Toshio Kojima, Akira Kawada, Rachida Nachat, Guy Serre, Michel Simon, Hidenari Takahara(2010). An Intronic Enhancer Driven by {NF}-$\upkappa$B Contributes to Transcriptional Regulation of Peptidylarginine Deiminase Type I Gene in Human Keratinocytes . Journal of Investigative Dermatology. 130. (11). p. 2543--2552. Elsevier {BV}
R. Nachat, S. Cipolat, L. M. Sevilla, M. Chhatriwala, K. R. Groot, F. M. Watt(2009). {KazrinE} is a desmosome-associated liprin that colocalises with acetylated microtubules . Journal of Cell Science. 122. (22). p. 4035--4041. The Company of Biologists
L. M. Sevilla, R. Nachat, K. R. Groot, F. M. Watt(2008). Kazrin regulates keratinocyte cytoskeletal networks, intercellular junctions and differentiation . Journal of Cell Science. 121. (21). p. 3561--3569. The Company of Biologists
A.-A. Raymond, M.-C. Méchin, R. Nachat, E. Toulza, R. Tazi-Ahnini, G. Serre, M. Simon(2007). Nine procaspases are expressed in normal human epidermis, but only caspase-14 is fully processed . British Journal of Dermatology. 156. (3). p. 420--427. Wiley
Lisa M. Sevilla, Rachida Nachat, Karen R. Groot, John F. Klement, Jouni Uitto, Philippe Djian, Arto Määttä, Fiona M. Watt(2007). Mice deficient in involucrin, envoplakin, and periplakin have a defective epidermal barrier . The Journal of Cell Biology. 179. (7). p. 1599--1612. Rockefeller University Press
Céline Foulquier, Mireille Sebbag, Cyril Clavel, Sabine Chapuy-Regaud, Roula Al Badine, Marie-Claire Méchin, Christian Vincent, Rachida Nachat, Michiyuki Yamada, Hidenari Takahara, et al.(2007). Peptidyl arginine deiminase type 2 ({PAD}-2) and {PAD}-4 but not {PAD}-1, {PAD}-3, and {PAD}-6 are expressed in rheumatoid arthritis synovium in close association with tissue inflammation . Arthritis {\&} Rheumatism. 56. (11). p. 3541--3553. Wiley
Stéphane Chavanas, Marie-Claire Méchin, Rachida Nachat, Véronique Adoue, Fanny Coudane, Guy Serre, Michel Simon(2006). Peptidylarginine deiminases and deimination in biology and pathology: Relevance to skin homeostasis . Journal of Dermatological Science. 44. (2). p. 63--72. Elsevier {BV}
M. C. Méchin, M. Enji, R. Nachat, S. Chavanas, M. Charveron, A. Ishida-Yamamoto, G. Serre, H. Takahara, M. Simon(2005). The peptidylarginine deiminases expressed in human epidermis differ in their substrate specificities and subcellular locations . Cellular and Molecular Life Sciences. 62. (17). p. 1984--1995. Springer Nature
Rachida Nachat, Marie-Claire Méchin, Marie Charveron, Guy Serre, Jacques Constans, Michel Simon(2005). Peptidylarginine Deiminase Isoforms Are Differentially Expressed in the Anagen Hair Follicles and Other Human Skin Appendages . Journal of Investigative Dermatology. 125. (1). p. 34--41. Elsevier {BV}
Rachida Nachat, Marie-Claire Méchin, Hidenari Takahara, Stéphane Chavanas, Marie Charveron, Guy Serre, Michel Simon(2005). Peptidylarginine Deiminase Isoforms 1{\textendash}3 Are Expressed in the Epidermis and Involved in the Deimination of K1 and Filaggrin . Journal of Investigative Dermatology. 124. (2). p. 384--393. Elsevier {BV}
Stéphane Chavanas, Marie-Claire Méchin, Hidenari Takahara, Akira Kawada, Rachida Nachat, Guy Serre, Michel Simon(2004). Comparative analysis of the mouse and human peptidylarginine deiminase gene clusters reveals highly conserved non-coding segments and a new human gene, {PADI}6 . Gene. 330. p. 19--27. Elsevier {BV}
Marina GUERRIN, Akihito ISHIGAMI, Marie-Claire MÉCHIN, Rachida NACHAT, Séverine VALMARY, Mireille SEBBAG, Michel SIMON, Tatsuo SENSHU, Guy SERRE(2003). {cDNA} cloning, gene organization and expression analysis of human peptidylarginine deiminase type I . Biochemical Journal. 370. (1). p. 167--174. Portland Press Ltd.
Rachida Nachat, Stéphane Sermadiras, Marc Dumas, Frédéric Bonté, Marie-Hélène Ratinaud(1999). Regulation of the {BCL}-2 family members and betal integrin by cultured normal human keratinocytes treated with all-trans-retinoic acid ({ATRA}) . Biology of the Cell. 91. (7). p. 560--560. Wiley
Y Denizot, A Besse, S Raher, R Nachat, F Trimoreau, V Praloran, A Godard(1999). Interleukin-4 ({IL}-4), but not {IL}-10, regulates the synthesis of {IL}-6, {IL}-8 and leukemia inhibitory factor by human bone marrow stromal cells . Biochimica et Biophysica Acta ({BBA}) - Molecular Cell Research. 1449. (1). p. 83--92. Elsevier {BV}