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Failure to detect functional neutrophil B helper cells in the human spleen.


ABSTRACT: A novel role for human neutrophilic granulocytes was recently described, showing that these cells, upon entering the spleen, can be reprogrammed into a distinct B cell-helper neutrophil phenotype that is capable of eliciting B cell responses such as immunoglobulin secretion, class switch recombination and somatic hypermutation. Using similar protocols, we detected a homogeneous population of CD15(high)CD16(high) neutrophils in fresh human spleen samples, which did not differ in phenotype and function from blood neutrophils. No phenotypic characteristics of costimulatory nature were detected on splenic or circulating neutrophils, nor could we reproduce the immunoglobulin production of splenic B cells in the presence of splenic neutrophils, although B cell function and neutrophil activity were normal. Independent confirmation of a role for NBH cells is required.

SUBMITTER: Nagelkerke SQ 

PROVIDER: S-EPMC3921168 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Failure to detect functional neutrophil B helper cells in the human spleen.

Nagelkerke Sietse Quirijn SQ   aan de Kerk Daan Jacob DJ   Jansen Machiel Hugo MH   van den Berg Timo Kars TK   Kuijpers Taco Willem TW  

PloS one 20140211 2


A novel role for human neutrophilic granulocytes was recently described, showing that these cells, upon entering the spleen, can be reprogrammed into a distinct B cell-helper neutrophil phenotype that is capable of eliciting B cell responses such as immunoglobulin secretion, class switch recombination and somatic hypermutation. Using similar protocols, we detected a homogeneous population of CD15(high)CD16(high) neutrophils in fresh human spleen samples, which did not differ in phenotype and fun  ...[more]

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