Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function

Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the fu...
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Autor*in:	Silvia Portugal [verfasserIn] Christopher M Tipton [verfasserIn] Haewon Sohn [verfasserIn] Younoussou Kone [verfasserIn] Jing Wang [verfasserIn] Shanping Li [verfasserIn] Jeff Skinner [verfasserIn] Kimmo Virtaneva [verfasserIn] Daniel E Sturdevant [verfasserIn] Stephen F Porcella [verfasserIn] Ogobara K Doumbo [verfasserIn] Safiatou Doumbo [verfasserIn] Kassoum Kayentao [verfasserIn] Aissata Ongoiba [verfasserIn] Boubacar Traore [verfasserIn] Inaki Sanz [verfasserIn] Susan K Pierce [verfasserIn] Peter D Crompton [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2015

Schlagwörter:	atypical memory B cell Plasmodium falciparum malaria

Übergeordnetes Werk:	In: eLife - eLife Sciences Publications Ltd, 2013, 4(2015)
Übergeordnetes Werk:	volume:4 ; year:2015

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.7554/eLife.07218

Katalog-ID:	DOAJ03180750X

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520			\|a Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. Thus, in response to chronic malaria exposure, atypical MBCs appear to differentiate from classical MBCs becoming refractory to BCR-mediated activation and potentially interfering with the acquisition of malaria immunity.
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allfields	10.7554/eLife.07218 doi (DE-627)DOAJ03180750X (DE-599)DOAJdbe216d62e4143a0ae31dc065f9d4c30 DE-627 ger DE-627 rakwb eng QH301-705.5 Silvia Portugal verfasserin aut Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. Thus, in response to chronic malaria exposure, atypical MBCs appear to differentiate from classical MBCs becoming refractory to BCR-mediated activation and potentially interfering with the acquisition of malaria immunity. atypical memory B cell Plasmodium falciparum malaria Medicine R Science Q Biology (General) Christopher M Tipton verfasserin aut Haewon Sohn verfasserin aut Younoussou Kone verfasserin aut Jing Wang verfasserin aut Shanping Li verfasserin aut Jeff Skinner verfasserin aut Kimmo Virtaneva verfasserin aut Daniel E Sturdevant verfasserin aut Stephen F Porcella verfasserin aut Ogobara K Doumbo verfasserin aut Safiatou Doumbo verfasserin aut Kassoum Kayentao verfasserin aut Aissata Ongoiba verfasserin aut Boubacar Traore verfasserin aut Inaki Sanz verfasserin aut Susan K Pierce verfasserin aut Peter D Crompton verfasserin aut In eLife eLife Sciences Publications Ltd, 2013 4(2015) (DE-627)728518384 (DE-600)2687154-3 2050084X nnns volume:4 year:2015 https://doi.org/10.7554/eLife.07218 kostenfrei https://doaj.org/article/dbe216d62e4143a0ae31dc065f9d4c30 kostenfrei https://elifesciences.org/articles/07218 kostenfrei https://doaj.org/toc/2050-084X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2015
spelling	10.7554/eLife.07218 doi (DE-627)DOAJ03180750X (DE-599)DOAJdbe216d62e4143a0ae31dc065f9d4c30 DE-627 ger DE-627 rakwb eng QH301-705.5 Silvia Portugal verfasserin aut Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. Thus, in response to chronic malaria exposure, atypical MBCs appear to differentiate from classical MBCs becoming refractory to BCR-mediated activation and potentially interfering with the acquisition of malaria immunity. atypical memory B cell Plasmodium falciparum malaria Medicine R Science Q Biology (General) Christopher M Tipton verfasserin aut Haewon Sohn verfasserin aut Younoussou Kone verfasserin aut Jing Wang verfasserin aut Shanping Li verfasserin aut Jeff Skinner verfasserin aut Kimmo Virtaneva verfasserin aut Daniel E Sturdevant verfasserin aut Stephen F Porcella verfasserin aut Ogobara K Doumbo verfasserin aut Safiatou Doumbo verfasserin aut Kassoum Kayentao verfasserin aut Aissata Ongoiba verfasserin aut Boubacar Traore verfasserin aut Inaki Sanz verfasserin aut Susan K Pierce verfasserin aut Peter D Crompton verfasserin aut In eLife eLife Sciences Publications Ltd, 2013 4(2015) (DE-627)728518384 (DE-600)2687154-3 2050084X nnns volume:4 year:2015 https://doi.org/10.7554/eLife.07218 kostenfrei https://doaj.org/article/dbe216d62e4143a0ae31dc065f9d4c30 kostenfrei https://elifesciences.org/articles/07218 kostenfrei https://doaj.org/toc/2050-084X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2015
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allfieldsSound	10.7554/eLife.07218 doi (DE-627)DOAJ03180750X (DE-599)DOAJdbe216d62e4143a0ae31dc065f9d4c30 DE-627 ger DE-627 rakwb eng QH301-705.5 Silvia Portugal verfasserin aut Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. Thus, in response to chronic malaria exposure, atypical MBCs appear to differentiate from classical MBCs becoming refractory to BCR-mediated activation and potentially interfering with the acquisition of malaria immunity. atypical memory B cell Plasmodium falciparum malaria Medicine R Science Q Biology (General) Christopher M Tipton verfasserin aut Haewon Sohn verfasserin aut Younoussou Kone verfasserin aut Jing Wang verfasserin aut Shanping Li verfasserin aut Jeff Skinner verfasserin aut Kimmo Virtaneva verfasserin aut Daniel E Sturdevant verfasserin aut Stephen F Porcella verfasserin aut Ogobara K Doumbo verfasserin aut Safiatou Doumbo verfasserin aut Kassoum Kayentao verfasserin aut Aissata Ongoiba verfasserin aut Boubacar Traore verfasserin aut Inaki Sanz verfasserin aut Susan K Pierce verfasserin aut Peter D Crompton verfasserin aut In eLife eLife Sciences Publications Ltd, 2013 4(2015) (DE-627)728518384 (DE-600)2687154-3 2050084X nnns volume:4 year:2015 https://doi.org/10.7554/eLife.07218 kostenfrei https://doaj.org/article/dbe216d62e4143a0ae31dc065f9d4c30 kostenfrei https://elifesciences.org/articles/07218 kostenfrei https://doaj.org/toc/2050-084X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2015
language	English
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topic_facet	atypical memory B cell Plasmodium falciparum malaria Medicine R Science Q Biology (General)
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container_title	eLife
authorswithroles_txt_mv	Silvia Portugal @@aut@@ Christopher M Tipton @@aut@@ Haewon Sohn @@aut@@ Younoussou Kone @@aut@@ Jing Wang @@aut@@ Shanping Li @@aut@@ Jeff Skinner @@aut@@ Kimmo Virtaneva @@aut@@ Daniel E Sturdevant @@aut@@ Stephen F Porcella @@aut@@ Ogobara K Doumbo @@aut@@ Safiatou Doumbo @@aut@@ Kassoum Kayentao @@aut@@ Aissata Ongoiba @@aut@@ Boubacar Traore @@aut@@ Inaki Sanz @@aut@@ Susan K Pierce @@aut@@ Peter D Crompton @@aut@@
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callnumber-first	Q - Science
author	Silvia Portugal
spellingShingle	Silvia Portugal misc QH301-705.5 misc atypical memory B cell misc Plasmodium falciparum misc malaria misc Medicine misc R misc Science misc Q misc Biology (General) Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function
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topic_title	QH301-705.5 Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function atypical memory B cell Plasmodium falciparum malaria
topic	misc QH301-705.5 misc atypical memory B cell misc Plasmodium falciparum misc malaria misc Medicine misc R misc Science misc Q misc Biology (General)
topic_unstemmed	misc QH301-705.5 misc atypical memory B cell misc Plasmodium falciparum misc malaria misc Medicine misc R misc Science misc Q misc Biology (General)
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title	Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function
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title_full	Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function
author_sort	Silvia Portugal
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author_browse	Silvia Portugal Christopher M Tipton Haewon Sohn Younoussou Kone Jing Wang Shanping Li Jeff Skinner Kimmo Virtaneva Daniel E Sturdevant Stephen F Porcella Ogobara K Doumbo Safiatou Doumbo Kassoum Kayentao Aissata Ongoiba Boubacar Traore Inaki Sanz Susan K Pierce Peter D Crompton
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title_sort	malaria-associated atypical memory b cells exhibit markedly reduced b cell receptor signaling and effector function
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title_auth	Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function
abstract	Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. Thus, in response to chronic malaria exposure, atypical MBCs appear to differentiate from classical MBCs becoming refractory to BCR-mediated activation and potentially interfering with the acquisition of malaria immunity.
abstractGer	Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. Thus, in response to chronic malaria exposure, atypical MBCs appear to differentiate from classical MBCs becoming refractory to BCR-mediated activation and potentially interfering with the acquisition of malaria immunity.
abstract_unstemmed	Protective antibodies in Plasmodium falciparum malaria are only acquired after years of repeated infections. Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. Thus, in response to chronic malaria exposure, atypical MBCs appear to differentiate from classical MBCs becoming refractory to BCR-mediated activation and potentially interfering with the acquisition of malaria immunity.
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title_short	Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function
url	https://doi.org/10.7554/eLife.07218 https://doaj.org/article/dbe216d62e4143a0ae31dc065f9d4c30 https://elifesciences.org/articles/07218 https://doaj.org/toc/2050-084X
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author2	Christopher M Tipton Haewon Sohn Younoussou Kone Jing Wang Shanping Li Jeff Skinner Kimmo Virtaneva Daniel E Sturdevant Stephen F Porcella Ogobara K Doumbo Safiatou Doumbo Kassoum Kayentao Aissata Ongoiba Boubacar Traore Inaki Sanz Susan K Pierce Peter D Crompton
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doi_str	10.7554/eLife.07218
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up_date	2024-07-03T22:33:28.527Z
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Chronic malaria exposure is associated with a large increase in atypical memory B cells (MBCs) that resemble B cells expanded in a variety of persistent viral infections. Understanding the function of atypical MBCs and their relationship to classical MBCs will be critical to developing effective vaccines for malaria and other chronic infections. We show that VH gene repertoires and somatic hypermutation rates of atypical and classical MBCs are indistinguishable indicating a common developmental history. Atypical MBCs express an array of inhibitory receptors and B cell receptor (BCR) signaling is stunted in atypical MBCs resulting in impaired B cell responses including proliferation, cytokine production and antibody secretion. 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Malaria-associated atypical memory B cells exhibit markedly reduced B cell receptor signaling and effector function

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