gata2 haploinsufficiency: an immuno-viro-hemato- endocrino
TRANSCRIPT
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GATA2 Haploinsufficiency: An immuno-viro-hemato-
endocrino-pulmono-gastroentero-dermato-
oncologic diseaseSteven M. Holland, MD
Laboratory of Clinical Infectious DiseasesNational Institute of Allergy and Infectious Diseases
National Institutes of [email protected]
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Myelodysplasia
lymphedema
warts
fungus
Acute leukemia
NTM
AA
GATA2
It’s Alveolar
proteinosis
Blindmen
It’sAplastic Anemia
Elephant
It’sNK Deficiency
It’s C. difficile
It’sM. kansasii
It’sEBV
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GATA2 Deficiency5 names, one disease
MonoMACDCML
Emberger syndromeFamilial MDS/AML
Classical NK cell Deficiency
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GATA2 DeficiencyIt’s also
Pediatric neutropeniaPediatric MDS (especially tri8, mono7)
AMLALL
CMML
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5 New Things about GATA2 DeficiencySevere EBV Infection
Severe Mycobacterium kansasii infection
Common Lung Abnormalities (not PAP)
Severe C. difficile infection
GATA2 Deficiency Imitation
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1992: 41 yo Woman Refractory MAC Infection
EBV+ Smooth Muscle TumorM. avium
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E F G
I
L
EBV
26 yo man
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EBEREBERCD3 CD3
Cohen JI et al, CID in press
20 yo Cantonese Woman with Hydroa Vacciniforme and HLH
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Cohen JI, et al. CID, in press
R398W
Treatment Steroids HSCT HSCT None HLH94/HSCT HSCT HSCT
General GATA2 patient EBV viral load 117 copies/ml
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Revised List for EBV Susceptibility,Chronic Active EBV, EBV malignancies
SH2D1BIRC4ITKMAGT1CD27PRF1PIK3CDCORO1AMST1/STK4
GATA2
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NEJM 1989;320:1731
GATA2 c.1025_1026insGCCG p.A342GfsX41
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23 yo Woman, Anemia, Fever for 5 months, Steroid therapy
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Mycobacterium kansasii
The most like MTB of all the nontuberculous mycobacteria (NTM)
(can give + Quantiferon test)
Caused 2.5% of disseminated NTM in AIDS
Up to 7% of the disseminated NTM in hairy cell leukemia
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53 yo womanMultifocal MK abscesses over skin
Spontaneously draining sternal notch
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Mycobacterium kansasii: >15% of GATA2
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Severe M. kansasii in GATA2
Highest rate of MK known
Abscess formation, especially in mediastinum
Prolonged course
All treatable (so far, some with IFNγ)
Drainage before HSCT not necessary
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23 yo Woman, Anemia, Fever for 5 months, Steroid therapy
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PULMONARY ALVEOLAR PROTEINOSIS
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E F
Pulmonary Alveolar
Proteinosis
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GATA2: Subpleural Blebs and Emphysema
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Subpleural Blebs and Emphysema30% of patients
Begins early in life
At tissue junctions: interlobar, apical
Can lead to emphysematous changes
Etiology? Not apparently infectious
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JPGN 2015;60: 486–492
IBD with C. diff All IBD in children
Lower odds of colectomy
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9/23/2015
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10/3/2015
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10/21/2015
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11/6/2015
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Why are we discussing this common hospital acquired infection?
4/70 GATA2 patients seen here have had severeC. difficile colitis (6%)
14 yo boy: C. diff after MAC therapy-colectomy17 yo girl: C. diff after abx, ICU with chest tubes
59 yo woman: fatal C. diff colitis28 yo woman: C. diff in MK therapy-colectomy
(in comparison at NIH, 0 in CGD, ~1 in STAT3)
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Abt et al, Cell Host & Microbe 2015
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C. difficile infection in GATA2
Can be very severe, even in childhood
Severe edema bowel wall
Recurrent
Mouse model underway
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Myelodysplasia
lymphedema
warts
fungus
Acute leukemia
NTM
AA
GATA2
It’s Alveolar
proteinosis
Blindmen
It’sAplastic Anemia
Elephant
It’sNK Deficiency
It’s C. difficile
It’sM. kansasii
It’sEBV
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20 yo woman neutropenia, anemia, fungal infection
7 yo “CVID”19 yo fever, neutropenia, invasive fungal
sinusitisE. coli sepsis, shock, ventilation
NIH transfer:Fusarium proliferatum sinusitisNeutrophils 0 cells/µlMonocytes 1 cells/µlNK cells 32 cells/µlB cells 0 cells/µl
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Clinical Course
Persistent fever, neutropeniaClinically Consistent with GATA2 deficiency but no mutation foundSuccessful haploidentical HSCT from 17 yo sister(busulfan, cylclophosphamide, 200cGy, post-Cy)Bacteremia, ventilation, but complete recovery
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Clinical Course
Persistent fever, neutropeniaClinically Consistent with GATA2 deficiency but no mutation foundSuccessful haploidentical HSCT from 17 yo sister(busulfan, cylclophosphamide, 200cGy, post-Cy)Bacteremia, ventilation, but complete recovery
But where was her problem in GATA2?
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Homozygous Null CECR1 (ADA2 deficiency)
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Homozygous Null CECR1 (ADA2 deficiency)
Q268X
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March 2014
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Hsu et al, JACI, in press
Circ
ulat
ing
ADA2
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Myelodysplasia
lymphedema
warts
fungus
Acute leukemia
mycobacteria
AA
GATA2?
It’s Alveolar proteinosis
Blindmen
It’sAplastic Anemia
Elephant?
It’sNK Deficiency
It’s C. difficile
It’sM. kansasii
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5 New Things about GATA2 DeficiencySevere EBV Infection
Severe Mycobacterium kansasii infection
Common Lung Abnormalities (not PAP)
Severe C. difficile infection
GATA2 Deficiency Imitation
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GATA2 HaploinsufficiencyIt started complex and remains complex
We are still learning about its phenotypesIt does seem to have exquisite susceptibilities
(M. kansasii, C. difficile, so far, no TB)
It is not the only disease that can have similar features
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AcknowledgementsAmy P. Hsu
Elizabeth SampaioLauren SanchezMichael Spinner
Kathy CalvoDiane ArthurMark Raffeld
Stefania PittalugaLi Ding
Lisa McReynoldsSmita PatelJosh Milner
Liana FalconeKen Olivier
Blanche AlterNeelam Giri
Inga HoffmanTom FleisherGulbu Uzel
Christa ZerbeAlexandra FreemanSergio Rosenzweig
Janine DaubLisa Barnhart
Reggie ClaypoolCathleen Frein
Vickey AndersonMaria L. TurnerEmery BresnickKirby Johnson
Danielle TownsleyNeal YoungEmily Mace
Jordan OrangeJennifer Cuellar-Rodriguez
Dennis Hickstein
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