Vitamin d rescues impaired Mycobacterium tuberculosis-mediated tnf release in hiv+


M. Kirby, C. Saltini, and R. G. Crystal


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M. Kirby, C. Saltini, and R. G. Crystal. 1993. Activation of alveolar macrophages in 

413 


asymptomatic HIV-infected individuals. J. Immunol. 150:1019-1028.  

414 


4. Crowle, A. J., E. J. Ross, and M. H. May. 1987. Inhibition by 1,25(OH)2-vitamin D3 of the 

415 


multiplication of virulent tubercle bacilli in cultured human macrophages. Infect. Immun. 

416 


55:2945-2950.  

417 


5. Davies, P. D. 1985. A possible link between vitamin D deficiency and impaired host defence 

418 


to Mycobacterium tuberculosis. Tubercle. 66:301-306.  

419 


6. Davies, P. D., R. C. Brown, and J. S. Woodhead. 1985. Serum concentrations of vitamin D 

420 


metabolites in untreated tuberculosis. Thorax. 40:187-190.  

421 


7. Folks, T. M., J. Justement, A. Kinter, C. A. Dinarello, and A. S. Fauci. 1987. Cytokine-

422 


induced expression of HIV-1 in a chronically infected promonocyte cell line. Science. 238:800-

423 


802.  

424 


8. Folks, T. M., J. Justement, A. Kinter, S. Schnittman, J. Orenstein, G. Poli, and A. S. 

425 


Fauci. 1988. Characterization of a promonocyte clone chronically infected with HIV and 

426 


inducible by 13-phorbol-12-myristate acetate. J. Immunol. 140:1117-1122.  

427 


9. Harris, J., J. C. Hope, and J. Keane. 2008. Tumor necrosis factor blockers influence 

428 


macrophage responses to Mycobacterium tuberculosis. J. Infect. Dis. 198:1842-1850. doi: 

429 


10.1086/593174.  

430 


10. Haug, C., F. Muller, P. Aukrust, and S. S. Froland. 1994. Subnormal serum concentration 

431 


of 1,25-vitamin D in human immunodeficiency virus infection: correlation with degree of 

432 


immune deficiency and survival. J. Infect. Dis. 169:889-893.  

433 


11. Haug, C. J., F. Muller, P. Aukrust, and S. S. Froland. 1998. Different effect of 1,25-

434 


dihydroxyvitamin D3 on replication of Mycobacterium avium in monocyte-derived macrophages 

435 


from human immunodeficiency virus-infected subjects and healthy controls. Immunol. Lett. 

436 


63:107-112.  

437 


 on September 30, 2017 by guest

http://iai.asm.org/

Downloaded from 


 

 

 

 22 

 

12. Heldwein, K. A., and M. J. Fenton. 2002. The role of Toll-like receptors in immunity 



438 

against mycobacterial infection. Microbes Infect. 4:937-944.  

439 

13. Kaufmann, S. H. 2001. How can immunology contribute to the control of tuberculosis? Nat 



440 

Rev Immunol. 1:20-30.  

441 

14. Keane, J., S. Gershon, R. P. Wise, E. Mirabile-Levens, J. Kasznica, W. D. 



442 

Schwieterman, J. N. Siegel, and M. M. Braun. 2001. Tuberculosis associated with infliximab, 

443 


a tumor necrosis factor alpha-neutralizing agent. N. Engl. J. Med. 345:1098-1104.  

444 


15. Koziel, H., Q. Eichbaum, B. A. Kruskal, P. Pinkston, R. A. Rogers, M. Y. Armstrong, F. 

445 


F. Richards, R. M. Rose, and R. A. Ezekowitz. 1998. Reduced binding and phagocytosis of 

446 


Pneumocystis carinii by alveolar macrophages from persons infected with HIV-1 correlates with 

447 


mannose receptor downregulation. J. Clin. Invest. 102:1332-144.  

448 


16. Koziel, H., S. Kim, C. Reardon, X. Li, R. Garland, P. Pinkston, and H. Kornfeld. 1999. 

449 


Enhanced in vivo human immunodeficiency virus-1 replication in the lungs of human 

450 


immunodeficiency virus-infected persons with Pneumocystis carinii pneumonia. Am. J. Respir. 

451 


Crit. Care Med. 160:2048-2055.  

452 


17. Lawn, S. D., L. G. Bekker, and R. Wood. 2005. How effectively does HAART restore 

453 


immune responses to Mycobacterium tuberculosis? Implications for tuberculosis control. AIDS. 

454 


19:1113-1124.  

455 


18. Li, X., X. Han, J. Llano, M. Bole, X. Zhou, K. Swan, A. Anandaiah, B. Nelson, N. R. 

456 


Patel, P. S. Reinach, H. Koziel, and S. D. Tachado. 2011. Mammalian Target of Rapamycin 

457 


Inhibition in Macrophages of Asymptomatic HIV+ Persons Reverses the Decrease in TLR-4-

458 


Mediated TNF-{alpha} Release through Prolongation of MAPK Pathway Activation. J. 

459 


Immunol. . doi: 10.4049/jimmunol.1101532.  

460 


19. Liu, H. Z., J. P. Gong, C. X. Wu, Y. Peng, X. H. Li, and H. B. You. 2005. The U937 cell 

461 


line induced to express CD14 protein by 1,25-dihydroxyvitamin D3 and be sensitive to 

462 


endotoxin stimulation. Hepatobiliary. Pancreat. Dis. Int. 4:84-89.  

463 


20. Liu, P. T., S. Stenger, H. Li, L. Wenzel, B. H. Tan, S. R. Krutzik, M. T. Ochoa, J. 

464 


Schauber, K. Wu, C. Meinken, D. L. Kamen, M. Wagner, R. Bals, A. Steinmeyer, U. Zugel, 

465 


R. L. Gallo, D. Eisenberg, M. Hewison, B. W. Hollis, J. S. Adams, B. R. Bloom, and R. L. 

466 


Modlin. 2006. Toll-like receptor triggering of a vitamin D-mediated human antimicrobial 

467 


response. Science. 311:1770-1773. doi: 10.1126/science.1123933.  

468 


21. Liu, P. T., S. Stenger, D. H. Tang, and R. L. Modlin. 2007. Cutting edge: vitamin D-

469 


mediated human antimicrobial activity against Mycobacterium tuberculosis is dependent on the 

470 


induction of cathelicidin. J. Immunol. 179:2060-2063.  

471 


22. Martineau, A. R., S. Nhamoyebonde, T. Oni, M. X. Rangaka, S. Marais, N. Bangani, R. 

472 


Tsekela, L. Bashe, V. de Azevedo, J. Caldwell, T. R. Venton, P. M. Timms, K. A. 

473 


 on September 30, 2017 by guest

http://iai.asm.org/

Downloaded from 


 

 

 

 23 

 

Wilkinson, and R. J. Wilkinson. 2011. Reciprocal seasonal variation in vitamin D status and 



474 

tuberculosis notifications in Cape Town, South Africa. Proc. Natl. Acad. Sci. U. S. A. 

475 

108:19013-19017. doi: 10.1073/pnas.1111825108.  

476 


23. Martineau, A. R., P. M. Timms, G. H. Bothamley, Y. Hanifa, K. Islam, A. P. Claxton, 

477 


G. E. Packe, J. C. Moore-Gillon, M. Darmalingam, R. N. Davidson, H. J. Milburn, L. V. 

478 


Baker, R. D. Barker, N. J. Woodward, T. R. Venton, K. E. Barnes, C. J. Mullett, A. K. 

479 


Coussens, C. M. Rutterford, C. A. Mein, G. R. Davies, R. J. Wilkinson, V. Nikolayevskyy, 

480 


F. A. Drobniewski, S. M. Eldridge, and C. J. Griffiths. 2011. High-dose vitamin D(3) during 

481 


intensive-phase antimicrobial treatment of pulmonary tuberculosis: a double-blind randomised 

482 


controlled trial. Lancet. 377:242-250. doi: 10.1016/S0140-6736(10)61889-2.  

483 


24. Means, T. K., S. Wang, E. Lien, A. Yoshimura, D. T. Golenbock, and M. J. Fenton. 

484 


1999. Human toll-like receptors mediate cellular activation by Mycobacterium tuberculosis. J. 

485 


Immunol. 163:3920-397.  

486 


25. Mora, J. R., M. Iwata, and U. H. von Andrian. 2008. Vitamin effects on the immune 

487 


system: vitamins A and D take centre stage. Nat. Rev. Immunol. 8:685-698. doi: 

488 


10.1038/nri2378.  

489 


26. Moreno, S., J. Baraia-Etxaburu, E. Bouza, F. Parras, M. Perez-Tascon, P. Miralles, T. 

490 


Vicente, J. C. Alberdi, J. Cosin, and D. Lopez-Gay. 1993. Risk for developing tuberculosis 

491 


among anergic patients infected with HIV. Ann. Intern. Med. 119:194-198.  

492 


27. Mueller, N. J., C. A. Fux, B. Ledergerber, L. Elzi, P. Schmid, T. Dang, L. Magenta, A. 

493 


Calmy, A. Vergopoulos, H. A. Bischoff-Ferrari, and Swiss HIV Cohort Study. 2010. High 

494 


prevalence of severe vitamin D deficiency in combined antiretroviral therapy-naive and 

495 


successfully treated Swiss HIV patients. AIDS. 24:1127-1134. doi: 

496 


10.1097/QAD.0b013e328337b161.  

497 


28. Muzio, M., G. Natoli, S. Saccani, M. Levrero, and A. Mantovani. 1998. The human toll 

498 


signaling pathway: divergence of nuclear factor kappaB and JNK/SAPK activation upstream of 

499 


tumor necrosis factor receptor-associated factor 6 (TRAF6). J. Exp. Med. 187:2097-2101.  

500 


29. Ostuni, R., I. Zanoni, and F. Granucci. 2010. Deciphering the complexity of Toll-like 

501 


receptor signaling. Cell Mol. Life Sci. 67:4109-4134. doi: 10.1007/s00018-010-0464-x.  

502 


30. Patel, N. R., K. Swan, X. Li, S. D. Tachado, and H. Koziel. 2009. Impaired M. 

503 


tuberculosis-mediated apoptosis in alveolar macrophages from HIV+ persons: potential role of 

504 


IL-10 and BCL-3. J. Leukoc. Biol. 86:53-60. doi: 10.1189/jlb.0908574.  

505 


31. Patel, N. R., J. Zhu, S. D. Tachado, J. Zhang, Z. Wan, J. Saukkonen, and H. Koziel. 

506 


2007. HIV impairs TNF-alpha mediated macrophage apoptotic response to Mycobacterium 

507 


tuberculosis. J. Immunol. 179:6973-6980.  

508 


 on September 30, 2017 by guest

http://iai.asm.org/

Downloaded from 


 

 

 

 24 

 

32. Prehn, J. L., D. L. Fagan, S. C. Jordan, and J. S. Adams. 1992. Potentiation of 



509 

lipopolysaccharide-induced tumor necrosis factor-alpha expression by 1,25-dihydroxyvitamin 

510 

D3. Blood. 80:2811-2816.  



511 

33. Quesniaux, V., C. Fremond, M. Jacobs, S. Parida, D. Nicolle, V. Yeremeev, F. Bihl, F. 

512 

Erard, T. Botha, M. Drennan, M. N. Soler, M. Le Bert, B. Schnyder, and B. Ryffel. 2004. 

513 


Toll-like receptor pathways in the immune responses to mycobacteria. Microbes Infect. 6:946-

514 


959. doi: 10.1016/j.micinf.2004.04.016.  

515 


34. Rennard, S. I., G. Basset, D. Lecossier, K. M. O'Donnell, P. Pinkston, P. G. Martin, and 

516 


R. G. Crystal. 1986. Estimation of volume of epithelial lining fluid recovered by lavage using 

517 


urea as marker of dilution. J. Appl. Physiol. 60:532-538.  

518 


35. Rockett, K. A., R. Brookes, I. Udalova, V. Vidal, A. V. Hill, and D. Kwiatkowski. 1998. 

519 


1,25-Dihydroxyvitamin D3 induces nitric oxide synthase and suppresses growth of 

520 


Mycobacterium tuberculosis in a human macrophage-like cell line. Infect. Immun. 66:5314-

521 


5321.  

522 


36. Rook, G. A., J. Steele, L. Fraher, S. Barker, R. Karmali, J. O'Riordan, and J. Stanford. 

523 


1986. Vitamin D3, gamma interferon, and control of proliferation of Mycobacterium tuberculosis 

524 


by human monocytes. Immunology. 57:159-163.  

525 


37. Saukkonen, J. J., B. Bazydlo, M. Thomas, R. M. Strieter, J. Keane, and H. Kornfeld. 

526 


2002. Beta-chemokines are induced by Mycobacterium tuberculosis and inhibit its growth. 

527 


Infect. Immun. 70:1684-193.  

528 


38. Sly, L. M., S. M. Hingley-Wilson, N. E. Reiner, and W. R. McMaster. 2003. Survival of 

529 


Mycobacterium tuberculosis in host macrophages involves resistance to apoptosis dependent 

530 


upon induction of antiapoptotic Bcl-2 family member Mcl-1. J. Immunol. 170:430-437.  

531 


39. Sly, L. M., M. Lopez, W. M. Nauseef, and N. E. Reiner. 2001. 1alpha,25-

532 


Dihydroxyvitamin D3-induced monocyte antimycobacterial activity is regulated by 

533 


phosphatidylinositol 3-kinase and mediated by the NADPH-dependent phagocyte oxidase. J. 

534 


Biol. Chem. 276:35482-35493. doi: 10.1074/jbc.M102876200.  

535 


40. Sonnenberg, P., J. R. Glynn, K. Fielding, J. Murray, P. Godfrey-Faussett, and S. 

536 


Shearer. 2005. How soon after infection with HIV does the risk of tuberculosis start to increase? 

537 


A retrospective cohort study in South African gold miners. J. Infect. Dis. 191:150-158.  

538 


41. Tachado, S. D., X. Li, M. Bole, K. Swan, A. Anandaiah, N. R. Patel, and H. Koziel. 

539 


2010. MyD88-dependent TLR4 signaling is selectively impaired in alveolar macrophages from 

540 


asymptomatic HIV+ persons. Blood. 115:3606-3615. doi: 10.1182/blood-2009-10-250787.  

541 


42. Tachado, S. D., J. Zhang, J. Zhu, N. Patel, and H. Koziel. 2005. HIV impairs TNF-alpha 

542 


release in response to Toll-like receptor 4 stimulation in human macrophages in vitro. Am. J. 

543 


Respir. Cell Mol. Biol. 33:610-621.  

544 


 on September 30, 2017 by guest

http://iai.asm.org/

Downloaded from 


 

 

 

 25 

 

43. Underhill, D. M., A. Ozinsky, K. D. Smith, and A. Aderem. 1999. Toll-like receptor-2 



545 

mediates mycobacteria-induced proinflammatory signaling in macrophages. Proc. Natl. Acad. 

546 

Sci. U. S. A. 96:14459-14463.  



547 

44. Wasserman, P., and D. S. Rubin. 2010. Highly prevalent vitamin D deficiency and 

548 

insufficiency in an urban cohort of HIV-infected men under care. AIDS Patient Care STDS. 



549 

24:223-227. doi: 10.1089/apc.2009.0241.  

550 


45. Wejse, C., V. F. Gomes, P. Rabna, P. Gustafson, P. Aaby, I. M. Lisse, P. L. Andersen

551 


H. Glerup, and M. Sodemann. 2009. Vitamin D as supplementary treatment for tuberculosis: a 

552 


double-blind, randomized, placebo-controlled trial. Am. J. Respir. Crit. Care Med. 179:843-850. 

553 


doi: 10.1164/rccm.200804-567OC.  

554 


46. White, J. H. 2008. Vitamin D signaling, infectious diseases, and regulation of innate 

555 


immunity. Infect. Immun. 76:3837-3843. doi: 10.1128/IAI.00353-08.  

556 


47. WHO. 2010. Global tuberculosis control: WHO report 2010. .  

557 


48. Wilkinson, R. J., M. Llewelyn, Z. Toossi, P. Patel, G. Pasvol, A. Lalvani, D. Wright, M. 

558 


Latif, and R. N. Davidson. 2000. Influence of vitamin D deficiency and vitamin D receptor 

559 


polymorphisms on tuberculosis among Gujarati Asians in west London: a case-control study. 

560 


Lancet. 355:618-621. doi: 10.1016/S0140-6736(99)02301-6.  

561 


49. Williams, B. G., and C. Dye. 2003. Antiretroviral drugs for tuberculosis control in the era of 

562 


HIV/AIDS. Science. 301:1535-1537.  

563 


50. Yuk, J. M., D. M. Shin, H. M. Lee, C. S. Yang, H. S. Jin, K. K. Kim, Z. W. Lee, S. H. 

564 


Lee, J. M. Kim, and E. K. Jo. 2009. Vitamin D3 induces autophagy in human 

565 


monocytes/macrophages via cathelicidin. Cell. Host Microbe. 6:231-243. doi: 

566 


10.1016/j.chom.2009.08.004.  

567 


51. Zhang, J., J. Zhu, A. Imrich, M. Cushion, T. B. Kinane, and H. Koziel. 2004. 

568 


Pneumocystis activates human alveolar macrophage NF-kappaB signaling through mannose 

569 


receptors. Infect. Immun. 72:3147-3160.  

570 


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Figure Legends 



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Figure 1. 1,25D3 rescues MTb-mediated TNF-release in HIV+ human macrophages. 

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Differentiated U937(a) and HIV+U1(b,c) macrophages were incubated with irradiated virulent 

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MTb (MOI 10:1 for 24 hours) in the presence and absence of 1,25D3 pre-treatment (24 hours). 

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TNF was measured in cell culture supernatant by ELISA (R&D).  Figures are representative of 

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individual experiments with similar results, n=6) . Quantitative data represent mean+SEM  * 

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p<0.05  

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Figure 2. 1,25D3 enhances TNF transcription in HIV+ human macrophages. (a) RT-PCR and 

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real-time PCR for VDR was performed on total RNA from differentiated U937 and HIV+U1 

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macrophages (n=4). (b,c) Differentiated U937 and HIV+U1 cells were incubated with MTb or 

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BCG (M.bovis) (MOI 10:1) for 3 hours in the presence and absence of 1,25D3 pre-treatment (24 

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hours). TNF mRNA was measured by real-time PCR. (n=4). Quantitative data represent 

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mean+SEM  *p<0.05, **p<0.01 

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Figure 3. 1,25D3 increased TLR signaling but not TLR expression in HIV+U1 

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macrophages . (a,b) Differentiated human U937 and HIV+U1 macrophages were incubated with 

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TLR ligands Lipid A (LA-TLR4), Pam3CCSK4 (PamCys-TLR2/1) and 19kDa lipoprotein from 

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MTb (19kDa MTb-TLR2/1) [1μg/ml] for 24 hours in the presence and absence of 1,25D3 

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pretreatment.  Cell-free culture supernatants were assayed for TNF by ELISA (n= 3). (c) 

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Differentiated U937 and HIV+U1 macrophages were incubated for 24h in the presence or 

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absence of 1,25D3 pretreatment and stained with PE-labeled anti-TLR antibodies or isotype 

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control. Surface expression was measured by flow cytometry.  Left panels show isotype control 

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(grey line) and TLR-labeled cells (black line); right panels show TLR-labeled cells (grey line) 

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and 1,25D3 treated TLR-labeled cells (black line). Representative histograms of independent 

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experiments with similar results (n=3) (d). Specific TLR2 and TLR4 mRNA was detected by 



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real-time PCR (n=3). Quantitative data represent mean+SEM.* p<0.05  

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Figure 4. 1,25D3 upregulates NF-kB signaling in HIV+ human macrophages. Differentiated 

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U937 and HIV+U1 macrophages were incubated with MTb (MOI 10:1) for 0-120 minutes in the 

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presence and absence of 1,25D3 pretreatment and PDTC. Cell lysates were resolved by Western 

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blot using specific antibody to IKBα. Representative blot of three independent experiments with 

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similar results. Quantitative densitometric analysis of IKBα bands are displayed directly 

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beneath the blot. (b) NF-kB nuclear translocation in nuclear extracts was measured by ELISA. 

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(n=3) Quantitative data represent mean+SEM.* p<0.05  

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Figure 5. 1,25D3 induces CD14 expression in human macrophages. (a) Differentiated U937 

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and HIV+U1 macrophages were incubated for 24 hours in the presence or absence of 1,25D3 

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pretreatment and stained with PE-labeled anti-CD14 antibody or isotype control. Surface 

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expression was measured by flow cytometry. Left panels show isotype control (grey line) and 

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CD14-labeled cells (black line); right panels show CD14-labeled cells (grey line) and VD treated 

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CD14-labeled cells (black line).  Representative histograms from individual experiments with 

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similar results (n=3). (b,c) Differentiated U937 and HIV+U1 macrophages were treated with 

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MTb (MOI 10:1) or LPS (1μg/ml) in the presence and absence of Vit D pretreatment (24 hours) 

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and indicated antibodies. TNF was measured in cell culture supernatants by ELISA (R&D). 

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(Representative figure from individual experiments with similar results, n=3).  Quantitative data 

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represent mean+SEM  *p<0.05 

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Figure 6. 1,25D3 rescues MTb-mediated TNF release in human alveolar macrophages from 

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HIV+ persons. (a) Healthy (n=6) and HIV+ (n=2) AM were incubated with MTb or BCG (MOI 

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10:1 for 24 hours) in the presence and absence of 1,25D3 pretreatment (24 hours). TNF was 



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measured in cell culture supernatant by ELISA (R&D). (b) Specific TLR2 and TLR4 mRNA was 

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detected by real-time PCR (n=3). (c) AM were incubated for 24h in the presence or absence of 



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1,25D3 pretreatment and stained with PE-labeled anti-TLR or isotype control antibodies. Surface 

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expression was measured by flow cytometry.  Left panels show isotype control (grey line) and 



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receptor-labeled cells (black line); right panels show receptor-labeled cells (grey line) and 

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1,25D3- treated receptor-labeled cells (black line).  Representative histograms from individual 



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experiments with similar results (Healthy n=3, HIV+ n=2). Quantitative data represent 

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mean+SEM.* p<0.05, **p<0.01 



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Figure 71,25D3 rescue of MTb-mediated TNF release in human alveolar macrophages 

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from HIV+ persons is dependent on CD14 (a) AM were incubated for 24h in the presence or 

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absence of 1,25D3 pretreatment and stained with PE-labeled anti-CD14 or isotype control 

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antibodies. Surface expression was measured by flow cytometry.  Left panels show isotype 

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control (grey line) and receptor-labeled cells (black line); right panels show receptor-labeled 

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cells (grey line) and 1,25D3- treated receptor-labeled cells (black line) (n=3). (b) HIV+AM were 

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treated with MTb (0.25:1), BCG (10:1), or LPS (1μg/ml) in the presence and absence of 1,25D3 

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pretreatment (24 hours) and indicated antibodies. TNF was measured in cell culture supernatants 

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by ELISA  (n=2). (c) 25D3 levels were measured in the cell-free BALF of healthy and HIV-

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infected Indian patients with and without active MTb infection [HIV-MTb- (n=38), HIV-MTb+ 

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(n=35), HIV+MTb- (n=12), HIV+MTb+ (n=17)] by ELISA. Quantitative data represent 

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mean+SEM.* p<0.05  

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