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Pilot experiment – needs to be optimised

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1 Pilot experiment – needs to be optimised

2 PAM2.8 ? PAM6.1 ?

3 PAM8.1 ?

4 Region 1 Region 2 PAM2.8 and PAM6.1 in region 2?

5 Antibodies eluted from surface of recombinant DBL3 and run in pepscan
Region 1 Region 2 female anti-DBL3 serum rabbit anti-DBL3 serum

6 mAbs Titration of all mAbs – All can be used at 1:4.000 at least

7 Monoclonal epitopes: -Mass Spectrometry project (SSI + DTU)
1st verify if monoclonals target denatured recombinant domais Method - Western blot targetted DBL5 after denaturing protein gel Confirm by ELISA: Epitope is probably non linear. - Confirm by competition ELISA with diferent conc of denatured DBL5 competing with the mAbs.

8 MDKSSIANKIEAYLGAKSDDSKIDQSLKADPSEVQYYGSGGDGYYLRKNICKITVNHSDSGTNDPCDRIPPPYGDNDQWKCAIILSKVSEKPENVFVPPRRQRMCINNLEKLNVDKIRDKHAFLADVLLTARNEGERIVQNHPDTNSSNVCNALERSFADIADIIRGTDLWKGTNSNLEQNLKQMFAKIRENDKVLQDKYPKDQNYRKLREDWWNANRQKVWEVITCGARSNDLLIKRGWRTSGKSNGDNKLELCRKCGHYEEKVPTKLDYVPQFLRWLTEWIEDFYREKQNLIDDMERHREECTSEDHKSKEGTSYCSTCKDKCKKYCECVKKWKSEWENQKNKYTELYQQNKNETSQKNTSRYDDYVKDFFKKLEANYSSLENYIKGDPYFAEYATKLSFILNSSDANNPSEKIQKNNDEVCNCNESGIASVEQEQISDPSS NKTCITHSSIKANKKKVCKHVKLGVRENDKDLRVCVIEHTSLSGVENCCCQDFLRILQENCSDNKSGSSSNGSCNNKNQEACEKNLEKVLASLTNCYKCDKCKSEQSKKNNKNWIWKKSSGKEGGLQKEYANTIGLPPRTQSLCLVVCLDEKGKKTQELKNIRTNSELLKEWIIAAFHEGKNLKPSHEKKNDDNGKKLCKALEYSFADYGDLIKGTSIWDNEYTKDLELNLQLQKIFGKLFRKYIKKNNTAEQDTSYSSLDELRESWWNTNKKYIWLAMKHGAGMNSTTCCGDGSVTGSGSSCDDIPTIDLIPQYLRFLQEWVEHFCKQRQEKVKPVIENCKSCKESGGTCNGECKTECKNKCEVYKKFIEDCKGGDGTAGSSWVKRWDQIYKRYSKYIEDAKRNRKAGTKNCGPSSTTNAAENKCVQSDIDSFFKHLIDIGLTTPSSYLSIVLDDNICGADKAPWTTYTTYTTTEKCNKETDKSKLQQCNTAVVVNVPSPLGNTPHGYKYACQCKIPTNEETCDDRKEYMNQWSCGSARTMKRGYKNDNYELCKYNGVDVKPTTVRSNSSKLDDKDVTFFNLFEQWNKEIQYQIEQYMTNTKISCNNEKNVLSRVSDEAAQPKFSDNERDRNSITHEDKNCKEKCKCYSLWIEKINDQWDKQKDNYNKFQRKQIYDANKGSQNKKVVSLSNFLFFSCWEEYIQKYFNGDWSKIKNIGSDTFEFLIKKCGNDSGDGETIFSEKLNNAEKKCKENESTNNKMKSSETSCDCSEPIYIRGCQPKIYDGKIFPGKGGEKQWICKDTIIHGDTNGAGACIPPRTQNLCVGELWDKRYGGRSNIKNDTKESLKQKIKNAIQKETELLYEYHDKGTAIISRNPMKGQKEKEEKNNDSNGLPKGFCHAVQRSFIDYKNMILGTSVNIYEYIGKLQEDIKKIIEKGTTKQNGKTVGSGAENVNAWWKGIEGEMWDAVRCAITKINKKQKKNGTFSIDECGIFPPTGNDEDQSVSWFKEWSEQFCIERLQYEKNIRDACTNNGQGDKIQGDCKRKCEEYKKYISEKKQEWDKQKTKYENKYVGKSASDLLKENYPECISANFDFIFNDNIEYKTYYPYGDYSSICSCEQVKYYEYNNAEKKNNKSLCHEKGNDRTWSKKYIKKLENGRTLEGVYVPPRRQQLCLYELFPIIIKNKNDITNAKKELLETLQIVAEREAYYLWKQYHAHNDTTYLAHKKACCAIRGSFYDLEDIIKGNDLVHDEYTKYIDSKLNEIFDSSNKNDIETKRARTDWWENEAIAVPNITGANKSDPKTIRQLVWDAMQSGVRKAIDEEKEKKKPNENFPPCMGVQHIGIAKPQFIRWLEEWTNEFCEKYTKYFEDMKSNCNLRKGADDCDDNSNIECKKACANYTNWLNPKRIEWNGMSNYYNKIYRKSNKESEDGKDYSMIMEPTVIDYLNKRCNGEINGNYICCSCKNIGENSTSGTVNKKLQKKETQCEDNKGPLDLMNKVLNKMDPKYSEHKMKCTEVYLEHVEEQLQLKEIDNAIKDYKLYP LDRCFDDKSKMKVCDLIGDAIGCKHKTKLDELDEWNDVDMRDPYNKYKGVLIPPRRRQLCFSRIVRGPANLRNLKEFKEEILKGAQSEGKFLGNYYNEDKDKEKALEAMKNSFYDYEYIIKGSDMLTNIQFKDIKRKLDRLLEKETNNTEKVDDWWETNKKSIWNAMLCGYKKSGNKIIDPSWCTIPTTETPPQFLRWIKEWGTNVCIQKEEHKEYVKSKCSNVTNLGAQESESKNCTSEIKKYQEWSRKRSIQWEAISEGYKKYKGMDEFKNTFKNIKEPDANEPNANEYLKKHCSKCPCGFNDMQEITKYTNIGNEAFKQIKEQVDIPAELEDVIYRLKHHEYDKGNDYICNKYKNINVNMKKNNDDTWTDLVKNSSDINKGVLLPPRRKNLFLKIDESDICKYKRDPKLFKDFIYSSAISEVERLKKVYGEAKTKVVHAMKYSFADIGSIIKGDDMMENNSSDKIGKILGDGVGQNEKRKKWWDMNKYHIWESMLCGYKHAYGNISENDRKMLDIPNNDDEHQFLRWFQEWTENFCTKRNELYENMVTACNSAKCNTSNGSVDKKECTEACKNYSNFILIKKKEYQSLNSQYDMNYKETKAEKKESPEYFKDKCNGECSCLSEYFKDETRWKNPYETLDDTEVKNNCMCKPPPPASNNTSDILQKTIPFGIALALGSIAFLF

9 Peptide 30 - DBL3 – one of the most frequent on Phage display
We also have a FCR3 variants correspondent to P30 = P32 - DBL3 binds to CSA (only the FCR3 variant) (Gamain, et al.)

10 Confirm binding of Var2CSA peptides to CSPG:
Phage individual solutions expressing the different peptides Confirm binding with anti-phageT7 antibody Phages are not binding to the plate - precipitation and concentration of samples + Change of buffer

11 CSA adhesion 3d7

12 Protein expression 1 Placentale FCR3 HB3 Var2csa 15 stk DNA
20 stk cDNA FCR3 HB3

13 Chimeric protein expression

14 Proteins Proteins will be tested for CSA binding in ELISA
Proteins will be tested for reactivity in ELISA Proteins will be used to map binding site of humAbs Proteins will be used to induce antibodies in rabbits

15 Rabbit antibodies Rabbit IgG will be tested for surface staining of CSA adhering parasites Rabbit IgG will be tested in antiadhesion assays

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