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Published byJacob Hancock Modified over 9 years ago
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7 Cervical cancer
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Aim of The Present Study Lactobacilli Cervical cancer 8
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Experimental Procedures 10
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Grade 1 Grade 2 Grade 3 12
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Lactobacilli Molecular Identification, Primer Design For Multiplex PCR Jensenii F crispatus F crispatus R gasseri R acidophilus F gasseri F Jen, acid R 16S rRNA 23S rRNA paracasei R rhamnosus R para, rham F salivarius F reuteri F fermentum F salivarius R plantarum F plantarum R reuteri R fermentum R ISR 14
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Cell wall & Cytoplasmic Extract Separation Extract Separation
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Number Nugent score 54Grade I (Normal) 60Grade II (Intermediate) 64Grade III (BV infected) 178Total 22
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Group I 450 bp Group II 300 bp Group III 400 bp Group IV 350 bp Multiplex PCR Results for Lactobacilli Identification Group III L. paracasei 312bp L. rhamnosus 113bp 23
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The Prevalence of Lactobacilli in Different Grades
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MTT Results (Hela cell) 25 OD Cell Number
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MTT Results (HNCF cell) 26 OD Cell Number
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5% Lactic acid + MRS pH= 4 HCl + MRS pH= 4 27 Supernatants of: LGS: L.gasseri, LCS: L.crispatus, LGSN: LGS + NaOH, LCSN: LCS + NaOH, MRH: MRS + HCl, MRL: MRS + Lactic Acid, MRS :lactobacilli Media 5% HNCF cell Hela cell viability Concentration (%)
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Vaginal Lactobacilli & Commercial Probiotics Supernatant MTT Result Supernatants of: LGS: L.gasseri LCS: L.crispatus LRS: L.rhamnosus LPS: L.paracasei LHS: L.helveticus LNS: L.acidophilus NCFM LAS: L.acidophilus candisis and MRS :lactobacilli Media as control Commercial Probiotics 28 pH=4pH=5 pH=6.5 Hela cell HNCF cell viability Concentration (%) viability Concentration (%)
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29 Hela cell viability Concentration (%)
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LDH Assay; Apoptotis & Necrosis Ratio 32 Hela cell HNCF cell
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Real-time PCR Results (Quality Controls) HPRT MP=78°C Bcl2 MP=87°C Fas MP=81°C Bax MP=87°C Caspase3 MP=81°C 33
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34 P= 0.35 P= 0.66 P= 0.39 P= 0.73 P= 0.67P= 0.39
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35 P= 0.35P= 0.34 P= 0.84
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36 P= 0.001 P= 0.31
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Biomarker Assay; Expression Analysis of hCGb by ReaL-Time PCR 37 hCGb MP= 89°C TissueCgb expression placenta+ Cervical cancer+ Hela+ Uterine myometrium- Normal cervix-
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38 P= 0.29P= 0.04 P= 0.001 P= 0.04 P= 0.29 P= 0.001 P= 0.31
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Caspase3 & cgb Expression, (Cytoplasmic Extract & Cell Wall) 39
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Snapshot of Results 41
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Prevalence of Vaginal Lactobacilli of Healthy Women; Similarities Between Our Study & Recent Findings 42
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Comparison of Healthy Vaginal Flora With BV Infected in Different Studies & Our Study 43
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Most Potent Cytotoxic Component 44
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Choi et al., 2006: L. acidophilus inhibits cancer cell proliferation but less effect on normal cells 46
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Anti-apoptotic Effect of Lactobacilli Supernatants 47
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Lactobacilli supernatant MKP1 Autophagy TGF β receptor Cell death 48 (Brion et al., 2011) (Iles, 2007)
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