Molecular Cell Biology

In the next years our research will focus on the molecular mechanisms of the folding and intracellular transport of soluble and membrane bound glycoproteins. In particular, melanoma proteins will be investigated in terms of  maturation, degradation and antigen presentation.

• Chiritoiu M, Brouwers N, Turacchio G, Pirozzi M, Malhotra VChiritoiu M et al. GRASP55 and UPR Control Interleukin-1β Aggregation and Secretion. Developmental cell, 2019, 49(1): 145-155.e4IF=9.19
• Villeneuve J, Bassaganyas L, Lepreux S, Chiritoiu M, Costet P, Ripoche J, Malhotra V, Schekman RVilleneuve J et al. Unconventional secretion of FABP4 by endosomes and secretory lysosomes. The Journal of cell biology, 2018, 217(2): 649-665IF=8.89
• Condello S, Sima L, Ivan C, Cardenas H, Schiltz G, Mishra RK, Matei DCondello S et al. Tissue Tranglutaminase Regulates Interactions between Ovarian Cancer Stem Cells and the Tumor Niche. Cancer research, 2018, 78(11): 2990-3001IF=8.38
• Alexandra Gaspar-Pintiliescu, Ana-Maria Seciu, Florin Miculescu, Lucia Moldovan, Elena Ganea, Oana CraciunescuAlexandra Gaspar-Pintiliescu et al. Enhanced extracellular matrix synthesis using collagen dressings loaded with Artemisia absinthium plant extract, 2018(Journal of Bioactive and Compatible Polymers)
• Nwani NG, Sima LE, Nieves-Neira W, Matei DNwani NG et al. Targeting the Microenvironment in High Grade Serous Ovarian Cancer. Cancers, 2018, 10(8)
• Deftu AF, Filippi A, Shibsaki K, Gheorghe RO, Chiritoiu M, Ristoiu VDeftu AF et al. Chemokine (C-X-C motif) ligand 1 (CXCL1) and chemokine (C-X-C motif) ligand 2 (CXCL2) modulate the activity of TRPV1+/IB4+ cultured rat dorsal root ganglia neurons upon short-term and acute application. Journal of physiology and pharmacology : an official journal of the Polish Physiological Society, 2017, 68(3): 385-395IF=2.48
• Uta M, Sima LE, Hoffmann P, Dinca V, Branza-Nichita NUta M et al. Development of a DsRed-expressing HepaRG cell line for real-time monitoring of hepatocyte-like cell differentiation by fluorescence imaging, with application in screening of novel geometric microstructured cell growth substrates. Biomedical microdevices, 2017, 19(1): 3IF=2.08
• A Visan, R Cristescu, N Stefan, M Miroiu, C Nita, M Socol, C Florica, O Rasoga, I Zgura, LE Sima, M Chiritoiu, MC Chifiriuc, AM Holban, IN Mihailescu, G SocolA Visan et al. Antimicrobial polycaprolactone/polyethylene glycol embedded lysozyme coatings of Ti implants for osteoblast functional properties in tissue engineering. Applied Surface Science, 2017, 417: 234-243
• O.RașogaaL.SimabM.ChirițoiubG.Popescu-PelincO.FufăcdV.GrumezescucdM.SocolaA.StănculescuaI.ZgurăaG.Socolc. Biocomposite coatings based on Poly (3-hydroxybutyrate-co-3-hydroxyvalerate)/calcium phosphates obtained by MAPLE for bone tissue engineering. Applied Surface Science, 2017, 417: 204-212
• ROXANA-OLIMPIA GHEORGHE 1, ALEXANDRA SOCA 1, MARIOARA CHIRIȚOIU 2, ALEXANDRU-FLORIAN DEFTU 1, MARIA-LUIZA FLONTA 1, VIOLETA RISTOIU1 *ROXANA-OLIMPIA GHEORGHE 1 et al. Long-term exposure to CXCL2 has cytotoxic effects on HEK293T cells stably expressing TRPV1. Romanian Biotechnological letters, 2017
• Ulăreanu R, Chiriţoiu G, Cojocaru F, Deftu A, Ristoiu V, Stănică L, Mihăilescu DF, Cucu DUlăreanu R et al. N-glycosylation of the transient receptor potential melastatin 8 channel is altered in pancreatic cancer cells. Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 2017, 39(8): 1010428317720940
• Grumezescu V, Holban AM, Sima LE, Chiritoiu MB, Chiritoiu GN, Grumezescu AM, Ivan L, Safciuc F, Antohe F, Florica C, Luculescu CR, Chifiriuc MC, Socol GGrumezescu V et al. Laser deposition of poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid) - lysozyme microspheres based coatings with anti-microbial properties. International journal of pharmaceutics, 2017, 521(1-2): 184-195
• Sima LE. Extracellular Signals for Guiding Mesenchymal Stem Cells Osteogenic Fate. Current stem cell research & therapy, 2017, 12(2): 139-144
• Popa IL, Milac AL, Sima LE, Alexandru PR, Pastrama F, Munteanu CV, Negroiu GPopa IL et al. Cross-talk between Dopachrome Tautomerase and Caveolin-1 Is Melanoma Cell Phenotype-specific and Potentially Involved in Tumor Progression. The Journal of biological chemistry, 2016, 291(24): 12481-500IF=4.12
• Chiritoiu GN, Jandus C, Munteanu CV, Ghenea S, Gannon PO, Romero P, Petrescu SMChiritoiu GN et al. Epitope located N-glycans impair the MHC-I epitope generation and presentation. Electrophoresis, 2016, 37(11): 1448-60IF=2.74
• Alexandra Gaspar, Daniel Constantin, Ana-Maria Seciu, Lucia Moldovan, Oana Craciunescu, Elena GaneaAlexandra Gaspar et al. Human adipose-derived stem cells differentiation into epidermal cells and interaction with human keratinocytes in coculture, 2016(Turkish Journal of Biology)
• Zurac S, Neagu M, Constantin C, Cioplea M, Nedelcu R, Bastian A, Popp C, Nichita L, Andrei R, Tebeica T, Tanase C, Chitu V, Caruntu C, Ghita M, Popescu C, Boda D, Mastalier B, Maru N, Daha C, Andreescu B, Marinescu I, Rebosapca A, Staniceanu F, Negroiu G, Ion DA, Nikitovic D, Tzanakakis GN, Spandidos DA, Tsatsakis AMZurac S et al. Variations in the expression of TIMP1, TIMP2 and TIMP3 in cutaneous melanoma with regression and their possible function as prognostic predictors. Oncology letters, 2016, 11(5): 3354-3360
• Ulmeanu M, Sima LE, Ursescu D, Enculescu M, Bazan X, Quintana IUlmeanu M et al. Cell adhesion response on femtosecond laser initiated liquid assisted silicon surface. Current topics in medicinal chemistry, 2014, 14(5): 624-9IF=3.40
• Ioana Popa*, Elena Ganea, and Stefana M. PetrescuIoana Popa* et al. Expression and subcellular localization of RAGE in melanoma cells. Biochemistry and Cell Biology, 2014, 2(92): 127-136
• Dinca V, Florian PE, Sima LE, Rusen L, Constantinescu C, Evans RW, Dinescu M, Roseanu ADinca V et al. MAPLE-based method to obtain biodegradable hybrid polymeric thin films with embedded antitumoral agents. Biomedical microdevices, 2014, 16(1): 11-21
• Corotchi MC, Popa MA, Remes A, Sima LE, Gussi I, Lupu Plesu MCorotchi MC et al. Isolation method and xeno-free culture conditions influence multipotent differentiation capacity of human Wharton's jelly-derived mesenchymal stem cells. Stem cell research & therapy, 2013, 4(4): 81IF=4.63
• Sima LE, Buruiana EC, Buruiana T, Matei A, Epurescu G, Zamfirescu M, Moldovan A, Petrescu SM, Dinescu MSima LE et al. Dermal cells distribution on laser-structured ormosils. Journal of tissue engineering and regenerative medicine, 2013, 7(2): 129-38
• Filimon A, Sima LE, Appelhans D, Voit B, Negroiu GFilimon A et al. Internalization and intracellular trafficking of poly(propylene imine) glycodendrimers with maltose shell in melanoma cells. Current medicinal chemistry, 2012, 19(29): 4955-68IF=4.07
• Ivan V, Martinez-Sanchez E, Sima LE, Oorschot V, Klumperman J, Petrescu SM, van der Sluijs PIvan V et al. AP-3 and Rabip4' coordinately regulate spatial distribution of lysosomes. PloS one, 2012, 7(10): e48142IF=3.73
• Florian P, Macovei A, Sima L, Nichita N, Mattsby-Baltzer I, Roseanu AFlorian P et al. Endocytosis and trafficking of human lactoferrin in macrophage-like human THP-1 cells (1). Biochemistry and cell biology = Biochimie et biologie cellulaire, 2012, 90(3): 449-55IF=2.92
• Ioana Popa*, Elena Ganea, Stefana PetrescuIoana Popa* et al. RAGE over AGEs and DAMPs. Romanian Journal of Biochemistry,, 2012, 2(49): 195-210
• Zurac S, Negroiu G, Petrescu S, Andrei R, Tebeica T, Popp C, Musţată R, Neagu M, Constantin C, Solovan C, Chiţu V, Reboşapcă A, Andreescu B, Marinescu I, Stăniceanu FZurac S et al. Spectrum of morphologic alterations of regression in cutaneous melanoma--potential for improving disease prognosis. Romanian journal of internal medicine = Revue roumaine de medecine interne, 2012, 50(2): 145-53
• Marin MB, Ghenea S, Spiridon LN, Chiritoiu GN, Petrescu AJ, Petrescu SMMarin MB et al. Tyrosinase degradation is prevented when EDEM1 lacks the intrinsically disordered region. PloS one, 2012, 7(8): e42998
• Cioaca D, Ghenea S, Spiridon LN, Marin M, Petrescu AJ, Petrescu SMCioaca D et al. C-terminus glycans with critical functional role in the maturation of secretory glycoproteins. PloS one, 2011, 6(5): e19979IF=4.09
• Sima F, Mutlu EC, Eroglu MS, Sima LE, Serban N, Ristoscu C, Petrescu SM, Oner ET, Mihailescu INSima F et al. Levan nanostructured thin films by MAPLE assembling. Biomacromolecules, 2011, 12(6): 2251-6
• Sima F, Ristoscu C, Caiteanu D, Mihailescu CN, Stefan N, Mihailescu IN, Prodan G, Ciupina V, Palcevskis E, Krastins J, Sima LE, Petrescu SMSima F et al. Biocompatibility and bioactivity enhancement of Ce stabilized ZrO(2) doped HA coatings by controlled porosity change of Al(2) O(3) substrates. Journal of biomedical materials research. Part B, Applied biomaterials, 2011, 96(2): 218-24
• Sima F, Axente E, Ristoscu C, Mihailescu IN, Kononenko TV, Nagovitsin IA, Chudinova G, Konov VI, Socol M, Enculescu I, Sima LE, Petrescu SMSima F et al. Tailoring immobilization of immunoglobulin by excimer laser for biosensor applications. Journal of biomedical materials research. Part A, 2011, 96(2): 384-94
• Sima LE, Stan GE, Morosanu CO, Melinescu A, Ianculescu A, Melinte R, Neamtu J, Petrescu SMSima LE et al. Differentiation of mesenchymal stem cells onto highly adherent radio frequency-sputtered carbonated hydroxylapatite thin films. Journal of biomedical materials research. Part A, 2010, 95(4): 1203-14IF=3.04
• Sima LE, Filimon A, Piticescu RM, Chitanu GC, Suflet DM, Miroiu M, Socol G, Mihailescu IN, Neamtu J, Negroiu GSima LE et al. Specific biofunctional performances of the hydroxyapatite-sodium maleate copolymer hybrid coating nanostructures evaluated by in vitro studies. Journal of materials science. Materials in medicine, 2009, 20(11): 2305-16
• Zurac S, Andrei R, Petsakos G, Nichita L, Bastian A, Micu G, Gramadă E, Popp C, Stăniceanu F, Petrescu S, Negroiu G, Giurcăneanu D, Chiţu VZurac S et al. Cutaneous metastases of malignant melanoma--how difficult can it be?. Romanian journal of internal medicine = Revue roumaine de medecine interne, 2008, 46(4): 375-8
• Negroiu G, Dwek RA, Petrescu SMNegroiu G et al. Tyrosinase-related protein-2 and -1 are trafficked on distinct routes in B16 melanoma cells. Biochemical and biophysical research communications, 2005, 328(4): 914-21
• Neeft M, Wieffer M, de Jong AS, Negroiu G, Metz CH, van Loon A, Griffith J, Krijgsveld J, Wulffraat N, Koch H, Heck AJ, Brose N, Kleijmeer M, van der Sluijs PNeeft M et al. Munc13-4 is an effector of rab27a and controls secretion of lysosomes in hematopoietic cells. Molecular biology of the cell, 2005, 16(2): 731-41
• Negroiu G, Dwek RA, Petrescu SMNegroiu G et al. The inhibition of early N-glycan processing targets TRP-2 to degradation in B16 melanoma cells. The Journal of biological chemistry, 2003, 278(29): 27035-42
• Negroiu G, Dwek RA, Petrescu SMNegroiu G et al. Folding and maturation of tyrosinase-related protein-1 are regulated by the post-translational formation of disulfide bonds and by N-glycan processing. The Journal of biological chemistry, 2000, 275(41): 32200-7
• Branza-Nichita N, Petrescu AJ, Negroiu G, Dwek RA, Petrescu SMBranza-Nichita N et al. N-glycosylation processing and glycoprotein folding-lessons from the tyrosinase-related proteins. Chemical reviews, 2000, 100(12): 4697-712
• Petrescu SM, Branza-Nichita N, Negroiu G, Petrescu AJ, Dwek RAPetrescu SM et al. Tyrosinase and glycoprotein folding: roles of chaperones that recognize glycans. Biochemistry, 2000, 39(18): 5229-37
• Branza-Nichita N, Negroiu G, Petrescu AJ, Garman EF, Platt FM, Wormald MR, Dwek RA, Petrescu SMBranza-Nichita N et al. Mutations at critical N-glycosylation sites reduce tyrosinase activity by altering folding and quality control. The Journal of biological chemistry, 2000, 275(11): 8169-75
• Negroiu G, Branza-Nichita N, Costin GE, Titu H, Petrescu AJ, Dwek RA, Petrescu SMNegroiu G et al. Investigation of the intracellular transport of tyrosinase and tyrosinase related protein (TRP)-1. The effect of endoplasmic reticulum (ER)-glucosidases inhibition. Cellular and molecular biology (Noisy-le-Grand, France), 1999, 45(7): 1001-10
• Negroiu G, Branza-Nichita N, Petrescu AJ, Dwek RA, Petrescu SMNegroiu G et al. Protein specific N-glycosylation of tyrosinase and tyrosinase-related protein-1 in B16 mouse melanoma cells. The Biochemical journal, 1999, 344 Pt 3: 659-65
• Glant TT, Buzás EI, Finnegan A, Negroiu G, Cs-Szabó G, Mikecz KGlant TT et al. Critical roles of glycosaminoglycan side chains of cartilage proteoglycan (aggrecan) in antigen recognition and presentation. Journal of immunology (Baltimore, Md. : 1950), 1998, 160(8): 3812-9
• Zapun A, Petrescu SM, Rudd PM, Dwek RA, Thomas DY, Bergeron JJZapun A et al. Conformation-independent binding of monoglucosylated ribonuclease B to calnexin. Cell, 1997, 88(1): 29-38
• Petrescu AJ, Butters TD, Reinkensmeier G, Petrescu S, Platt FM, Dwek RA, Wormald MRPetrescu AJ et al. The solution NMR structure of glucosylated N-glycans involved in the early stages of glycoprotein biosynthesis and folding. The EMBO journal, 1997, 16(14): 4302-10
• Brennan FR, Mikecz K, Buzás EI, Ragasa D, Cs-Szabó G, Negroiu G, Glant TTBrennan FR et al. Antigen-specific B cells present cartilage proteoglycan (aggrecan) to an autoreactive T cell hybridoma derived from a mouse with proteoglycan-induced arthritis. Clinical and experimental immunology, 1995, 101(3): 414-21
• Buzás EI, Brennan FR, Mikecz K, Garzó M, Negroiu G, Holló K, Cs-Szabó G, Pintye E, Glant TTBuzás EI et al. A proteoglycan (aggrecan)-specific T cell hybridoma induces arthritis in BALB/c mice. Journal of immunology (Baltimore, Md. : 1950), 1995, 155(5): 2679-87
• Brennan FR, Negroiu G, Buzás EI, Fülöp C, Holló K, Mikecz K, Glant TTBrennan FR et al. Presentation of cartilage proteoglycan to a T cell hybridoma derived from a mouse with proteoglycan-induced arthritis. Clinical and experimental immunology, 1995, 100(1): 104-10
• Mirancea N, Mirancea D, Caloianu-Iordăchel M, Toader G, Moldovan L, Negroiu GMirancea N et al. The action of the collagen-Fe2+ complex at tissular level. Morphologie et embryologie, 1989, 35(1): 59-61
• A.Milac, G. Negroiu. Human Skin Cancers - Pathways, Mechanisms, Targets and Treatments in The Multiple Roles of Tyrosinase-Related Protein-2/Ldopachrome Tautomerase in Melanoma, 2018, IntechOpen: 45-83