Strain Name:

B6C3Fe a/a-anx/J

Stock Number:

000624

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Availability:

Cryopreserved - Ready for recovery

Description

The genotypes of the animals provided may not reflect those discussed in the strain description or the mating scheme utilized by The Jackson Laboratory prior to cryopreservation. Please inquire for possible genotypes for this specific strain.

Strain Information

Former Names B6C3Fe a/a- anx/J    (Changed: 15-DEC-04 )
B6C3Fe-a/a-anx    (Changed: 15-DEC-04 )
Type Mutant Strain;
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Specieslaboratory mouse
GenerationN28 F1
Generation Definitions

Appearance
black, affected
Related Genotype: a anx/a anx

black, unaffected
Related Genotype: a ?/a +

Description
Compared with their wildtype siblings, anx/anx homozygotes are characterized by a thinning in the neck and tail at 5 days of age, lower body weight detectable by 9 days of age, and death by 22 days of age on the B6C3H-a/a background. Outbreeding to CAST/Ei modifies the phenotype such that homozygotes live to approximately 5 weeks of age. Evaluation of stomach content shows that anx/anx mice ingest less than their siblings. They show headweaving, body tremors, uncoordinated gait, and hyperactivity along with diminished adipose tissue and reduced serum leptin levels. (Maltais et al., 1984; Johansen et al., 2000)

Intraperitoneal injection of 20 day old pups with 5,7-dihydroxytryptamine, a seratonin antagonist, reduces the severity of the neurological phenotypes. Homozygotes have extensive serotonergic hyperinnervation in normal target fields including the hippocampus, frontal cortex, olfactory bulb, and cerebellum, yet they have normal catecholaminergic innervation. This hyperinnervation is thought to reflect increased arborization of axonal fibers since there is no increase in serotonergic cell bodies. In the raphe nuiclues, there are decreased mRNA levels of serotonin transp orter (Slc6a4 previously Htt or 5-Htt) and tryptophan hydroxylase activity is diminished. Similar to food deprived wild type mice, anx/anx mice show decreased mRNA of monoamine oxidase A in the locus ceruleus but not the raphe nuclei. (Maltais et al., 1984; Son et al., 1994; Jahng et al., 1998, Brain Res; Jahng et al., 1998, Dev Brain Res.)

Despite their failure to eat adequately, homozygotes do not show elevated neuropeptide Y mRNA levels in the hypothalamic arcuate nucleus. However, immunohistochemistry revealed increased perikaryal neuropeptide Y staining in the arcuate nucleus and decreased density and neuropeptide Y staining of neuropeptide Y terminals in the paraventricular, arcuate, and other hypothalamic nuclei. Neuropeptide Y staining in the suprachiasmatic and thalamic paraventricular nuclei is normal. There is a similarly altered pattern of expression for agouti gene-related protein with immunoreacitvity increased in the cell body and decreased in the terminals in arcuate neurons despite apparently normal mRNA levels. (Broberger et al., 1997; Jahng et al., 1998, Brain Res; Broberger at el., 1998)

The arcuate nucleus also has a reduction in the number of pro-opiomelanocortin expressing neurons, a reduction in mRNA levels of pro-opiomelanocor tin and neuropeptide Y receptors Y1 and Y5, and a reduction in immunoreactivity of neuropeptide Y receptor Y2, adrenocorticotropic hormone, and alpha melanocyte stimulating hormone. Decreased staining of aspartate, acetylcholinesterase, and somatostatin was also seen in the arcuate nucleus. Decreased staining of cocaine and amphetamine regulated transcript in the arcuate nucleus and other regions of the hyopthalamus has also been reported. This pattern of decreased staining of pro-opiomelanocortin neurons may be due to degeneration of this cell population. No changes in brain cholecystokinin, galanin, or serotonin were detected by immunohistochemistry. (Broberger et al., 1997; Broberger et al., 1999; Johansen et al., 2000.)

The dentate gyrus of anx/anx mice is smaller than normal and has an increase in both the number of proliferating cells and cells undergoing apoptosis according to BrdU and TUNEL assessment. (Kim et al., 2001.)

Control Information

  Control
   Untyped from the colony
 
  Considerations for Choosing Controls

Related Strains

Strains carrying   a allele
003879   B10;TFLe-a/a T tf/+ tf/J
001538   B6 x B6C3Sn a/A-T(1;9)27H/J
000916   B6 x B6C3Sn a/A-T(5;12)31H/J
000602   B6 x B6C3Sn a/A-T(8;16)17H/J
000618   B6 x FSB/GnEi a/a Ctslfs/J
000577   B6 x STOCK a Oca2p Hps5ru2 Ednrbs/J
000601   B6 x STOCK a/a T(7;18)50H/J
000592   B6 x STOCK T(2;4)13H a/J
000001   B6.C3 A/a Mgrn1md/J
000231   B6;C3Fe a/a-Csf1op/J
000785   B6;D2-a Ces1ce/EiJ
000604   B6C3 a/A-T(10;13)199H +/+ Lystbg-J/J or Lystbg-2J/J
001750   B6C3Fe a/a-Eif3cXs-J/J
002807   B6C3Fe a/a-Meox2fla/J
000506   B6C3Fe a/a-Qkqk-v/J
000224   B6C3Fe a/a-Scyl1mdf/J
003020   B6C3Fe a/a-Zdhhc21dep/J
001037   B6C3Fe a/a-Agtpbp1pcd/J
000221   B6C3Fe a/a-Alx4lst-J/J
002062   B6C3Fe a/a-Atp7aMo-8J/J
001756   B6C3Fe a/a-Cacng2stg/J
001815   B6C3Fe a/a-Col1a2oim/J
000209   B6C3Fe a/a-Dh/J
000211   B6C3Fe a/a-Dstdt-J/J
000210   B6C3Fe a/a-Edardl-J/J
000207   B6C3Fe a/a-Edaraddcr/J
000182   B6C3Fe a/a-Eef1a2wst/J
001278   B6C3Fe a/a-Glra1spd/J
000241   B6C3Fe a/a-Glrbspa/J
002875   B6C3Fe a/a-Hoxd13spdh/J
000304   B6C3Fe a/a-Krt71Ca Scn8amed-J/J
000226   B6C3Fe a/a-Largemyd/J
000636   B6C3Fe a/a-Lmx1adr-J/J
001280   B6C3Fe a/a-Lse/J
001573   B6C3Fe a/a-MitfMi/J
001035   B6C3Fe a/a-Napahyh/J
000181   B6C3Fe a/a-Otogtwt/J
000278   B6C3Fe a/a-Papss2bm Hps1ep Hps6ru/J
000205   B6C3Fe a/a-Papss2bm/J
002078   B6C3Fe a/a-Pcdh15av-2J/J
000246   B6C3Fe a/a-Pitpnavb/J
001430   B6C3Fe a/a-Ptch1mes/J
000235   B6C3Fe a/a-Relnrl/J
000237   B6C3Fe a/a-Rorasg/J
000290   B6C3Fe a/a-Sox10Dom/J
000230   B6C3Fe a/a-Tcirg1oc/J
003612   B6C3Fe a/a-Trak1hyrt/J
001512   B6C3Fe a/a-Ttnmdm/J
001607   B6C3Fe a/a-Unc5crcm/J
000005   B6C3Fe a/a-Wc/J
000243   B6C3Fe a/a-Wnt1sw/J
000248   B6C3Fe a/a-Xpl/J
008044   B6C3Fe a/a-bpck/J
002018   B6C3Fe a/a-din/J
002339   B6C3Fe a/a-nma/J
000240   B6C3Fe a/a-soc/J
000063   B6C3Fe a/a-sy/J
001055   B6C3Fe a/a-tip/J
000245   B6C3Fe a/a-tn/J
000296   B6C3Fe-a/a Hoxa13Hd Mcoln3Va-J/J
000019   B6C3Fe-a/a-Itpr1opt/J
001022   B6C3FeF1/J a/a
006450   B6EiC3 a/A-Vss/GrsrJ
000971   B6EiC3 a/A-Och/J
000551   B6EiC3 a/A-Tbx15de-H/J
000557   B6EiC3-+ a/LnpUl A/J
000503   B6EiC3Sn a/A-Gy/J
001811   B6EiC3Sn a/A-Otcspf-ash/J
002343   B6EiC3Sn a/A-Otcspf/J
000391   B6EiC3Sn a/A-Pax6Sey-Dey/J
001924   B6EiC3Sn a/A-Ts(1716)65Dn/J
001923   B6EiC3Sn a/A-Ts(417)2Lws TimT(4;17)3Lws/J
000225   C3FeLe.B6 a/a-Ptpn6me/J
000198   C3FeLe.B6-a/J
000291   C3FeLe.Cg-a/a Hm KitlSl Krt71Ca-J/J
001886   C3HeB/FeJLe a/a-gnd/J
000584   C57BL/6J-+ T(1;2)5Ca/a +/J
000284   CWD/LeJ
000670   DBA/1J
000671   DBA/2J
001057   HPT/LeJ
000260   JGBF/LeJ
000265   MY/HuLeJ
000308   SSL/LeJ
000994   STOCK a Myo5ad Mregdsu/J
000064   STOCK a Tyrp1b Pmelsi/J
002238   STOCK a Tyrp1b shmy/J
001433   STOCK a skt/J
000579   STOCK a tp/J
000319   STOCK a us/J
002648   STOCK a/a Cln6nclf/J
000317   STOCK a/a Egfrwa2/J
000302   STOCK a/a MitfMi-wh +/+ Itpr1opt/J
000286   STOCK a/a Myo5ad fd/+ +/J
000206   STOCK a/a Tyrc-h/J
001432   STOCK a/a Tyrp1b sks/Tyrp1b +/J
000281   STOCK a/a ma Flgft/J
000312   STOCK stb + a/+ Fignfi a/J
000596   STOCK T(2;11)30H/+ x AEJ-a Gdf5bp-H/J or A/J-a Gdf5bp-J/J
000970   STOCK T(2;16)28H A/T(2;16)28H a/J
000590   STOCK T(2;4)1Sn a/J
000594   STOCK T(2;8)26H a/T(2;8)26H a Tyrp1+/Tyrp1b/J
000623   TR/DiEiJ
View Strains carrying   a     (103 strains)

Strains carrying other alleles of a
000251   AEJ.Cg-ae +/a Gdf5bp-H/J
000202   AEJ/Gn-bd/J
000199   AEJ/GnLeJ
000433   B10.C-H3c H13? A/(28NX)SnJ
000427   B10.CE-H13b Aw/(30NX)SnJ
000423   B10.KR-H13? A/SnJ
000420   B10.LP-H13b Aw/Sn
000477   B10.PA-Pldnpa H3e at/SnJ
000419   B10.UW-H3b we Pax1un at/SnJ
003879   B10;TFLe-a/a T tf/+ tf/J
001538   B6 x B6C3Sn a/A-T(1;9)27H/J
000916   B6 x B6C3Sn a/A-T(5;12)31H/J
000602   B6 x B6C3Sn a/A-T(8;16)17H/J
000593   B6 x B6CBCa Aw-J/A-Grid2Lc T(2;6)7Ca MitfMi-wh/J
000502   B6 x B6CBCa Aw-J/A-Myo5aflr Gnb5flr/J
000599   B6 x B6CBCa Aw-J/A-T(5;13)264Ca KitW-v/J
002083   B6 x B6EiC3 a/A-T(7;16)235Dn/J
000507   B6 x B6EiC3 a/A-Otcspf/J
003759   B6 x B6EiC3Sn a/A-T(10;16)232Dn/J
002071   B6 x B6EiC3Sn a/A-T(11;17)202Dn/J
002113   B6 x B6EiC3Sn a/A-T(11A2;16B3)238Dn/J
002068   B6 x B6EiC3Sn a/A-T(11B1;16B5)233Dn/J
002069   B6 x B6EiC3Sn a/A-T(14E4or5;16B5)225Dn/J
001926   B6 x B6EiC3Sn a/A-T(15;16)198Dn/J
001832   B6 x B6EiC3Sn a/A-T(15E;16B1)60Dn/J
003758   B6 x B6EiC3Sn a/A-T(16C3-4;17A2)65Dn/J
001833   B6 x B6EiC3Sn a/A-T(1C2;16C3)45Dn/J
001903   B6 x B6EiC3Sn a/A-T(6F;18C)57Dn/J
001535   B6 x B6EiC3Sn a/A-T(8A4;12D1)69Dn/J
001831   B6 x B6EiC3Sn a/A-T(8C3;16B5)164Dn/J
000618   B6 x FSB/GnEi a/a Ctslfs/J
000577   B6 x STOCK a Oca2p Hps5ru2 Ednrbs/J
000601   B6 x STOCK a/a T(7;18)50H/J
000592   B6 x STOCK T(2;4)13H a/J
002016   B6(Cg)-Aw-J EdaTa-6J Chr YB6-Sxr/EiJ
000552   B6-Aw-J-EdaTa-6J.Cg-Sxr
001730   B6-Aw-J-EdaTa-6J.Cg-Sxrb Hya-/J
000841   B6-Aw-J.CBy-EdaTa-By/J
001809   B6-Aw-J.Cg-EdaTa-6J +/+ ArTfm/J
000600   B6-Gpi1b x B6CBCa Aw-J/A-T(7;15)9H Gpi1a/J
000769   B6.C/(HZ18)By-at-44J/J
000001   B6.C3 A/a Mgrn1md/J
000203   B6.C3-Aiy/a/J
000017   B6.C3-Avy/J
001572   B6.C3-am-J/J
000628   B6.CE-A Amy1b Amy2a5b/J
000021   B6.Cg-Ay/J
100409   B6129PF1/J-Aw-J/Aw
000231   B6;C3Fe a/a-Csf1op/J
004200   B6;CBACa Aw-J/A-Npr2cn-2J/GrsrJ
000785   B6;D2-a Ces1ce/EiJ
000505   B6C3 Aw-J/A-Mutedmu/J
000604   B6C3 a/A-T(10;13)199H +/+ Lystbg-J/J or Lystbg-2J/J
001750   B6C3Fe a/a-Eif3cXs-J/J
002807   B6C3Fe a/a-Meox2fla/J
000506   B6C3Fe a/a-Qkqk-v/J
000224   B6C3Fe a/a-Scyl1mdf/J
003020   B6C3Fe a/a-Zdhhc21dep/J
001037   B6C3Fe a/a-Agtpbp1pcd/J
000221   B6C3Fe a/a-Alx4lst-J/J
002062   B6C3Fe a/a-Atp7aMo-8J/J
001756   B6C3Fe a/a-Cacng2stg/J
001815   B6C3Fe a/a-Col1a2oim/J
000209   B6C3Fe a/a-Dh/J
000211   B6C3Fe a/a-Dstdt-J/J
000210   B6C3Fe a/a-Edardl-J/J
000207   B6C3Fe a/a-Edaraddcr/J
000182   B6C3Fe a/a-Eef1a2wst/J
001278   B6C3Fe a/a-Glra1spd/J
000241   B6C3Fe a/a-Glrbspa/J
002875   B6C3Fe a/a-Hoxd13spdh/J
000304   B6C3Fe a/a-Krt71Ca Scn8amed-J/J
000226   B6C3Fe a/a-Largemyd/J
000636   B6C3Fe a/a-Lmx1adr-J/J
001280   B6C3Fe a/a-Lse/J
001573   B6C3Fe a/a-MitfMi/J
001035   B6C3Fe a/a-Napahyh/J
000181   B6C3Fe a/a-Otogtwt/J
000278   B6C3Fe a/a-Papss2bm Hps1ep Hps6ru/J
000205   B6C3Fe a/a-Papss2bm/J
002078   B6C3Fe a/a-Pcdh15av-2J/J
000246   B6C3Fe a/a-Pitpnavb/J
001430   B6C3Fe a/a-Ptch1mes/J
000235   B6C3Fe a/a-Relnrl/J
000237   B6C3Fe a/a-Rorasg/J
000290   B6C3Fe a/a-Sox10Dom/J
000230   B6C3Fe a/a-Tcirg1oc/J
003612   B6C3Fe a/a-Trak1hyrt/J
001512   B6C3Fe a/a-Ttnmdm/J
001607   B6C3Fe a/a-Unc5crcm/J
000005   B6C3Fe a/a-Wc/J
000243   B6C3Fe a/a-Wnt1sw/J
000248   B6C3Fe a/a-Xpl/J
008044   B6C3Fe a/a-bpck/J
002018   B6C3Fe a/a-din/J
002339   B6C3Fe a/a-nma/J
000240   B6C3Fe a/a-soc/J
000063   B6C3Fe a/a-sy/J
001055   B6C3Fe a/a-tip/J
000245   B6C3Fe a/a-tn/J
000065   B6C3Fe a/a-we Pax1un at/J
000296   B6C3Fe-a/a Hoxa13Hd Mcoln3Va-J/J
000019   B6C3Fe-a/a-Itpr1opt/J
003301   B6C3FeF1 a/A-Eya1bor/J
001022   B6C3FeF1/J a/a
000314   B6CBACa Aw-J/A-EdaTa/J-XO
000501   B6CBACa Aw-J/A-Aifm1Hq/J
001046   B6CBACa Aw-J/A-Grid2Lc/J
000500   B6CBACa Aw-J/A-Gs/J
002703   B6CBACa Aw-J/A-Hydinhy3/J
000247   B6CBACa Aw-J/A-Kcnj6wv/J
000287   B6CBACa Aw-J/A-Plp1jp EdaTa/J
000515   B6CBACa Aw-J/A-SfnEr/J
000242   B6CBACa Aw-J/A-spc/J
000288   B6CBACa Aw-J/A-we a Mafbkr/J
001201   B6CBACaF1/J-Aw-J/A
001752   B6CBCa Aw-J/A-T(7;15)9H/J
006450   B6EiC3 a/A-Vss/GrsrJ
000971   B6EiC3 a/A-Och/J
000551   B6EiC3 a/A-Tbx15de-H/J
000557   B6EiC3-+ a/LnpUl A/J
000504   B6EiC3Sn a/A-Cacnb4lh/J
000553   B6EiC3Sn a/A-Egfrwa2 Wnt3avt/J
000503   B6EiC3Sn a/A-Gy/J
001811   B6EiC3Sn a/A-Otcspf-ash/J
002343   B6EiC3Sn a/A-Otcspf/J
000391   B6EiC3Sn a/A-Pax6Sey-Dey/J
001924   B6EiC3Sn a/A-Ts(1716)65Dn/J
001923   B6EiC3Sn a/A-Ts(417)2Lws TimT(4;17)3Lws/J
001875   B6EiC3SnF1/J
000200   C3FeB6 A/Aw-J-Ankank/J
000638   C3FeB6 A/Aw-J-Spnb4qv-J/J
001203   C3FeB6F1/J A/Aw-J
000225   C3FeLe.B6 a/a-Ptpn6me/J
000198   C3FeLe.B6-a/J
000291   C3FeLe.Cg-a/a Hm KitlSl Krt71Ca-J/J
001272   C3H/HeSnJ-Ahvy/J
000099   C3HeB/FeJ-Avy/J
001886   C3HeB/FeJLe a/a-gnd/J
000338   C57BL/6J Aw-J-EdaTa-6J/J
000584   C57BL/6J-+ T(1;2)5Ca/a +/J
000258   C57BL/6J-Ai/a/J
000774   C57BL/6J-Asy/a/J
000569   C57BL/6J-Aw-J-EdaTa +/+ ArTfm/J
000051   C57BL/6J-Aw-J/J
000055   C57BL/6J-at-33J/J
000070   C57BL/6J-atd/J
000284   CWD/LeJ
000670   DBA/1J
000671   DBA/2J
001057   HPT/LeJ
000260   JGBF/LeJ
002468   KK.Cg-Ay/J
000262   LS/LeJ
000283   LT.CAST-A/J
000265   MY/HuLeJ
000308   SSL/LeJ
001759   STOCK A Tyrc Sha/J
001427   STOCK Aw us/J
000994   STOCK a Myo5ad Mregdsu/J
000064   STOCK a Tyrp1b Pmelsi/J
002238   STOCK a Tyrp1b shmy/J
001433   STOCK a skt/J
000579   STOCK a tp/J
000319   STOCK a us/J
002648   STOCK a/a Cln6nclf/J
000317   STOCK a/a Egfrwa2/J
000302   STOCK a/a MitfMi-wh +/+ Itpr1opt/J
000286   STOCK a/a Myo5ad fd/+ +/J
000206   STOCK a/a Tyrc-h/J
001432   STOCK a/a Tyrp1b sks/Tyrp1b +/J
000281   STOCK a/a ma Flgft/J
000312   STOCK stb + a/+ Fignfi a/J
000596   STOCK T(2;11)30H/+ x AEJ-a Gdf5bp-H/J or A/J-a Gdf5bp-J/J
000970   STOCK T(2;16)28H A/T(2;16)28H a/J
000590   STOCK T(2;4)1Sn a/J
000594   STOCK T(2;8)26H a/T(2;8)26H a Tyrp1+/Tyrp1b/J
000623   TR/DiEiJ
View Strains carrying other alleles of a     (178 strains)

Phenotype

Phenotype Information

View Mammalian Phenotype Terms

Mammalian Phenotype Terms provided by MGI
      assigned by genotype

The following phenotype information may relate to a genetic background differing from this JAX® Mice strain.

anx/anx

        B6C3Fe a/a-anx/J
  • mortality/aging
  • premature death
    • mutant mice die in a state of anorexia and emaciation at ~P22   (MGI Ref ID J:7689)
  • behavior/neurological phenotype
  • abnormal eating behavior
    • failure to ingest sufficient amount of nutrients to sustain growth, indicating anorexia, starting at ~P5   (MGI Ref ID J:7689)
    • however, no deficiency in dietary or serum zinc (a frequent metabolic cause of anorexia) is observed   (MGI Ref ID J:7689)
    • abnormal suckling behavior
      • physiological and behavioral phenotypes appear to result from a suckling dysfunction   (MGI Ref ID J:7689)
  • abnormal gait
    • uncoordinated gait at P18 or later   (MGI Ref ID J:7689)
    • reduction in severity of abnormal gait following i.p. injection of the serotonin antagonist 5,7-dihydroxytryptamine at P20   (MGI Ref ID J:7689)
  • abnormal head movements
    • headweaving at P18 or later   (MGI Ref ID J:7689)
  • hyperactivity
    • hyperactivity at P18 or later   (MGI Ref ID J:7689)
    • reduction in hyperactivity following i.p. injection of the serotonin antagonist 5,7-dihydroxytryptamine at P20   (MGI Ref ID J:7689)
  • tremors
    • head and body tremors at P18 or later   (MGI Ref ID J:7689)
    • reduction in severity of head and body tremors following i.p. injection of the serotonin antagonist 5,7-dihydroxytryptamine at P20   (MGI Ref ID J:7689)
  • growth/size phenotype
  • decreased body weight
    • significant reduction in body weight at P9   (MGI Ref ID J:7689)
    • cachexia
      • anorexic mutants are first recognized at ~P5 by a thinning of the neck and tail, and later by growth arrest and emaciation   (MGI Ref ID J:7689)
  • immune system phenotype
  • abnormal inflammatory response   (MGI Ref ID J:103396)
  • increased thymus weight
    • significant increase in thymus weight at P15 but not at P5   (MGI Ref ID J:7689)
  • pale spleen
    • beginning at ~P5, spleen is pale in color   (MGI Ref ID J:7689)
    • however, total RBC count, hemoglobin, hematocrit, and mean corpuscular volume (MCV) are within normal range   (MGI Ref ID J:7689)
  • small spleen
    • beginning at ~P5, spleen size is reduced   (MGI Ref ID J:7689)
    • decreased spleen weight
      • significant reduction in spleen weight both at P5 and at P15   (MGI Ref ID J:7689)
  • homeostasis/metabolism phenotype
  • decreased body temperature
    • significant hypothermia at ~P22, but not at P5, P10 or P15   (MGI Ref ID J:7689)
  • hypoglycemia
    • significantly decreased blood glucose levels relative to wild-type littermates at P15 (58 mg/dl vs 129 mg/dl, respectively)   (MGI Ref ID J:7689)
  • increased blood urea nitrogen level
    • significantly increased blood urea nitrogen levels relative to wild-type littermates at P15 (62.5 mg/dl vs 43.8 mg/dl, respectively)   (MGI Ref ID J:7689)
  • increased blood uric acid level
    • significantly increased blood uric acid levels relative to wild-type littermates at P15 (4.6 mg/dl vs 1.2 mg/dl, respectively)   (MGI Ref ID J:7689)
  • increased circulating alkaline phosphatase level
    • significantly increased circulating alkaline phosphatase levels relative to wild-type littermates at P15 (1020 mU/ml vs 385 mU/ml, respectively)   (MGI Ref ID J:7689)
  • increased circulating cholesterol level
    • significantly increased serum cholesterol levels relative to wild-type littermates at P15 (1.92 ± 0.18 mg/ml vs 1.12 ± 0.04 mg/ml, respectively)   (MGI Ref ID J:7689)
  • liver/biliary system phenotype
  • abnormal liver morphology
    • at P15, livers display a lacey appearance and are devoid of fat and glycogen   (MGI Ref ID J:7689)
  • nervous system phenotype
  • abnormal brain vasculature morphology
    • at P15, brains display an abundance of capillaries   (MGI Ref ID J:7689)
  • increased brain weight
    • significant increase in brain weight both at P5 and at P15   (MGI Ref ID J:7689)
  • cardiovascular system phenotype
  • abnormal brain vasculature morphology
    • at P15, brains display an abundance of capillaries   (MGI Ref ID J:7689)
  • hematopoietic system phenotype
  • increased thymus weight
    • significant increase in thymus weight at P15 but not at P5   (MGI Ref ID J:7689)
  • pale spleen
    • beginning at ~P5, spleen is pale in color   (MGI Ref ID J:7689)
    • however, total RBC count, hemoglobin, hematocrit, and mean corpuscular volume (MCV) are within normal range   (MGI Ref ID J:7689)
  • small spleen
    • beginning at ~P5, spleen size is reduced   (MGI Ref ID J:7689)
    • decreased spleen weight
      • significant reduction in spleen weight both at P5 and at P15   (MGI Ref ID J:7689)

anx/anx

        involves: DW/J * M. m. domesticus poschiavinus * Swiss
  • mortality/aging
  • premature death
    • mutant mice die in a state of anorexia and emaciation at ~P22   (MGI Ref ID J:13936)
  • behavior/neurological phenotype
  • abnormal gait
    • uncoordinated gait   (MGI Ref ID J:13936)
  • decreased eating behavior
    • poor appetite starting at ~P5   (MGI Ref ID J:13936)
    • failure to ingest sufficient amount of nutrients to sustain growth, indicating anorexia   (MGI Ref ID J:13936)
  • hyperactivity   (MGI Ref ID J:13936)
  • tremors
    • head and body tremors   (MGI Ref ID J:13936)
  • growth/size phenotype
  • decreased body weight
    • significant reduction in body weight   (MGI Ref ID J:13936)
    • cachexia
      • emaciation by ~P22   (MGI Ref ID J:13936)
  • digestive/alimentary phenotype
  • abnormal digestive system morphology
    • beginning at ~P5, stomach contents are reduced   (MGI Ref ID J:13936)
    • by ~P22 (time of death), stomach and intestines are devoid of food   (MGI Ref ID J:13936)
  • hematopoietic system phenotype
  • abnormal spleen morphology
    • beginning at ~P5, spleen is pale in color   (MGI Ref ID J:13936)
    • however, hemoglobin, hematocrit, and mean corpuscular volume (MCV) are within normal range   (MGI Ref ID J:13936)
    • small spleen
      • beginning at ~P5, spleen size is reduced   (MGI Ref ID J:13936)
  • homeostasis/metabolism phenotype
  • decreased body temperature
    • hypothermia at ~P22   (MGI Ref ID J:13936)
  • liver/biliary system phenotype
  • abnormal liver morphology
    • at P15, livers are devoid of fat and glycogen   (MGI Ref ID J:13936)
  • nervous system phenotype
  • abnormal brain vasculature morphology
    • at P15, brains display an abundance of capillaries, suggesting hyperemia   (MGI Ref ID J:13936)
  • cardiovascular system phenotype
  • abnormal brain vasculature morphology
    • at P15, brains display an abundance of capillaries, suggesting hyperemia   (MGI Ref ID J:13936)
  • immune system phenotype
  • abnormal spleen morphology
    • beginning at ~P5, spleen is pale in color   (MGI Ref ID J:13936)
    • however, hemoglobin, hematocrit, and mean corpuscular volume (MCV) are within normal range   (MGI Ref ID J:13936)
    • small spleen
      • beginning at ~P5, spleen size is reduced   (MGI Ref ID J:13936)
View Research Applications

Research Applications
This mouse can be used to support research in many areas including:

anx related

Metabolism Research

Neurobiology Research
Ataxia (Movement) Defects
Behavioral and Learning Defects
Metabolic Defects

Genes & Alleles

Gene & Allele Information provided by MGI

 
Allele Symbol a
Allele Name nonagouti
Allele Type Spontaneous
Strain of Originold mutant of the mouse fancy
Gene Symbol and Name a, nonagouti
Chromosome 2
Gene Common Name(s) AGSW; AGTI; AGTIL; ASP; As; SHEP9; agouti; agouti signal protein; agouti suppressor;
Molecular Note Characterization of this allele shows an insertion of DNA comprised of a 5.5kb virus-like element, VL30, into the first intron of the agouti gene. The VL30 element itself contains an additional 5.5 kb sequence, flanked by 526 bp of direct repeats. The host integration site is the same as for at-2Gso and Aw-38J and includes a duplication of four nucleotides of host DNA and a deletion of 2 bp from the end of each repeat. Northern analysis of mRNA from skin of homozygotes shows a smaller agouti message and levels 8 fold lower than found in wild-type. [MGI Ref ID J:16984] [MGI Ref ID J:24934]
 
Allele Symbol anx
Allele Name anorexia
Allele Type Spontaneous
Strain of Origin(DW/J x (M. m. domesticus poschiavinus x Swiss))F2
Gene Symbol and Name anx, anorexia
Chromosome 2
General Note Phenotypic Similarity to Human Syndrome: Anorexia (J:136782)

Genotyping

Genotyping Information


Helpful Links

Genotyping resources and troubleshooting

References

References provided by MGI

Additional References

Broberger C; Johansen J; Johansson C; Schalling M; Hokfelt T. 1998. The neuropeptide Y/agouti gene-related protein (AGRP) brain circuitry in normal, anorectic, and monosodium glutamate-treated mice. Proc Natl Acad Sci U S A 95(25):15043-8. [PubMed: 9844012]  [MGI Ref ID J:51566]

Broberger C; Johansen J; Schalling M; Hokfelt T. 1997. Hypothalamic neurohistochemistry of the murine anorexia (anx/anx) mutation: altered processing of neuropeptide Y in the arcuate nucleus. J Comp Neurol 387(1):124-35. [PubMed: 9331176]  [MGI Ref ID J:43306]

Jahng JW; Houpt TA; Kim SJ; Joh TH; Son JH. 1998. Neuropeptide Y mRNA and serotonin innervation in the arcuate nucleus of anorexia mutant mice. Brain Res 790(1-2):67-73. [PubMed: 9593828]  [MGI Ref ID J:47750]

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Son JH; Baker H; Park DH; Joh TH. 1994. Drastic and selective hyperinnervation of central serotonergic neurons in a lethal neurodevelopmental mouse mutant, Anorexia (anx). Brain Res Mol Brain Res 25(1-2):129-34. [PubMed: 7984037]  [MGI Ref ID J:19535]

a related

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anx related

Broberger C; Johansen J; Brismar H; Johansson C; Schalling M ; Hokfelt T. 1999. Changes in neuropeptide Y receptors and pro-opiomelanocortin in the anorexia (anx/anx) mouse hypothalamus. J Neurosci 19(16):7130-9. [PubMed: 10436066]  [MGI Ref ID J:56665]

Broberger C; Johansen J; Johansson C; Schalling M; Hokfelt T. 1998. The neuropeptide Y/agouti gene-related protein (AGRP) brain circuitry in normal, anorectic, and monosodium glutamate-treated mice. Proc Natl Acad Sci U S A 95(25):15043-8. [PubMed: 9844012]  [MGI Ref ID J:51566]

Broberger C; Johansen J; Schalling M; Hokfelt T. 1997. Hypothalamic neurohistochemistry of the murine anorexia (anx/anx) mutation: altered processing of neuropeptide Y in the arcuate nucleus. J Comp Neurol 387(1):124-35. [PubMed: 9331176]  [MGI Ref ID J:43306]

Chun HS; Park Y; Yang YK; Kim do K; Son JH; Kim SJ. 2003. Identification of genes showing differential expression in anorexia mutant mouse. Neuroreport 14(7):1055-9. [PubMed: 12802202]  [MGI Ref ID J:90062]

Gerke V; Moss SE. 1997. Annexins and membrane dynamics. Biochim Biophys Acta 1357(2):129-54. [PubMed: 9223619]  [MGI Ref ID J:41703]

Huynh ML; Rivkin E; Mui R; Cordes SP. 2011. A tryptophan hydroxlyase 1 reporter that directs Cre recombinase extinguishable placental alkaline phosphatase expression in serotonergic (5-HT) neurons and peripheral tissues. Genesis 49(11):851-61. [PubMed: 21438125]  [MGI Ref ID J:178664]

Jahng JW; Houpt TA; Joh TH; Son JH. 1998. Differential expression of monoamine oxidase A, serotonin transporter, tyrosine hydroxylase and norepinephrine transporter mRNA by anorexia mutation and food deprivation. Brain Res Dev Brain Res 107(2):241-6. [PubMed: 9593916]  [MGI Ref ID J:109166]

Jahng JW; Houpt TA; Kim SJ; Joh TH; Son JH. 1998. Neuropeptide Y mRNA and serotonin innervation in the arcuate nucleus of anorexia mutant mice. Brain Res 790(1-2):67-73. [PubMed: 9593828]  [MGI Ref ID J:47750]

Johansen JE; Broberger C; Lavebratt C; Johansson C; Kuhar MJ; Hokfelt T; Schalling M. 2000. Hypothalamic CART and serum leptin levels are reduced in the anorectic (anx/anx) mouse. Brain Res Mol Brain Res 84(1-2):97-105. [PubMed: 11113536]  [MGI Ref ID J:66520]

Johansen JE; Fetissov SO; Bergstrom U; Nilsson I; Fay C; Ranscht B; Hokfelt T; Schalling M. 2007. Evidence for hypothalamic dysregulation in mouse models of anorexia as well as in humans. Physiol Behav 92(1-2):278-82. [PubMed: 17560618]  [MGI Ref ID J:136782]

Johansen JE; Teixeira VL; Johansson C; Serrao P; Berggren PO; Soares-Da-Silva P; Schalling M; Bertorello AM. 2001. Altered dopaminergic transmission in the anorexic anx/anx mouse striatum. Neuroreport 12(12):2737-41. [PubMed: 11522958]  [MGI Ref ID J:103710]

Kim MJ; Kim Y; Kim SA; Lee HJ; Choe BK; Nam M; Kim BS; Kim JW; Yim SV; Kim CJ; Chung JH. 2001. Increases in cell proliferation and apoptosis in dentate gyrus of anorexia (anx/anx) mice. Neurosci Lett 302(2-3):109-12. [PubMed: 11290399]  [MGI Ref ID J:107936]

Lachuer J; Ouyang L; Legras C; Del Rio J; Barlow C. 2005. Gene expression profiling reveals an inflammatory process in the anx/anx mutant mice. Brain Res Mol Brain Res 139(2):372-6. [PubMed: 16006007]  [MGI Ref ID J:103396]

Maltais L; Lane PW. 1983. Anorexia (anx) Mouse News Lett 68:72.  [MGI Ref ID J:13936]

Maltais LJ; Lane PW; Beamer WG. 1984. Anorexia, a recessive mutation causing starvation in preweanling mice. J Hered 75(6):468-72. [PubMed: 6595305]  [MGI Ref ID J:7689]

Mercader JM; Lozano JJ; Sumoy L; Dierssen M; Visa J; Gratacos M; Estivill X. 2008. Hypothalamus transcriptome profile suggests an anorexia-cachexia syndrome in the anx/anx mouse model. Physiol Genomics 35(3):341-50. [PubMed: 18812457]  [MGI Ref ID J:145451]

Nilsson IA; Thams S; Lindfors C; Bergstrand A; Cullheim S; Hokfelt T; Johansen JE. 2011. Evidence of hypothalamic degeneration in the anorectic anx/anx mouse. Glia 59(1):45-57. [PubMed: 20967882]  [MGI Ref ID J:167571]

Son JH; Baker H; Park DH; Joh TH. 1994. Drastic and selective hyperinnervation of central serotonergic neurons in a lethal neurodevelopmental mouse mutant, Anorexia (anx). Brain Res Mol Brain Res 25(1-2):129-34. [PubMed: 7984037]  [MGI Ref ID J:19535]

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Health & husbandry

Health & Colony Maintenance Information

Animal Health Reports

Production of mice from cryopreserved embryos or sperm occurs in a maximum barrier room, RG10/RG30.

Purchasing information

Pricing, Supply Level & Notes, Controls


Pricing for USA, Canada and Mexico shipping destinations View International Pricing
Order this mouse

Cryopreserved

Cryopreserved Mice - Ready for Recovery

Price (US dollars $)
Cryorecovery* $1980.00
Animals Provided

At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.

Standard Supply

Cryopreserved. Ready for recovery. Please refer to pricing and supply notes for further information.

Supply Notes

  • Cryorecovery of Strains Needing Progeny Testing.
    At least two untested males and two untested females (two pairs) will be recovered (eight or more mice is typical). The total number of animals provided, their gender and genotype will vary. Untested animals typically are available to ship between 13 and 16 weeks from the date of your order. If the first recovery attempt is unsuccessful, a second recovery will be done, extending the overall recovery time to approximately 25 weeks.

    Progeny testing is required to identify the genotype of mice of this strain, as a genotyping assay is not available. This type of testing involves breeding the recovered animals and assessing the phenotype of the offspring in order to identify animals carrying the mutation of interest. We can perform the progeny testing for you as a service or we can ship all recovered animals to you for progeny testing at your facility. If you perform the progeny testing, there is NO guarantee that a carrier will be identified. If we perform progeny testing as a service, additional breeding time will be required. In this case, when a male and female (one pair) are identified that carry the mutation, they and their offspring will be shipped. Delivery time for strains requiring progeny testing often exceeds 25 weeks and may take 12 months or more due to the difficulties in breeding some strains. The progeny testing cost is in addition to the recovery cost and is based on the number of boxes used and the time taken to produce the mice identified as carrying the mutation. Please note that identified pairs may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation of the strain. Mating schemes are sometimes modified for successful cryopreservation. Please contact Customer Service for more information on the cost of progeny testing for a strain: Tel: 1-800-422-6423 (from U.S.A., Canada and Puerto Rico only) or 1-207-288-5845 (from any location). The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.

    Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
    Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).

Pricing for International shipping destinations View USA Canada and Mexico Pricing
Order this mouse

Cryopreserved

Cryopreserved Mice - Ready for Recovery

Price (US dollars $)
Cryorecovery* $2574.00
Animals Provided

At least two mice that carry the mutation (if it is a mutant strain) will be provided. Their genotypes may not reflect those discussed in the strain description. Please inquire for possible genotypes and see additional details below.

Standard Supply

Cryopreserved. Ready for recovery. Please refer to pricing and supply notes for further information.

Supply Notes

  • Cryorecovery of Strains Needing Progeny Testing.
    At least two untested males and two untested females (two pairs) will be recovered (eight or more mice is typical). The total number of animals provided, their gender and genotype will vary. Untested animals typically are available to ship between 13 and 16 weeks from the date of your order. If the first recovery attempt is unsuccessful, a second recovery will be done, extending the overall recovery time to approximately 25 weeks.

    Progeny testing is required to identify the genotype of mice of this strain, as a genotyping assay is not available. This type of testing involves breeding the recovered animals and assessing the phenotype of the offspring in order to identify animals carrying the mutation of interest. We can perform the progeny testing for you as a service or we can ship all recovered animals to you for progeny testing at your facility. If you perform the progeny testing, there is NO guarantee that a carrier will be identified. If we perform progeny testing as a service, additional breeding time will be required. In this case, when a male and female (one pair) are identified that carry the mutation, they and their offspring will be shipped. Delivery time for strains requiring progeny testing often exceeds 25 weeks and may take 12 months or more due to the difficulties in breeding some strains. The progeny testing cost is in addition to the recovery cost and is based on the number of boxes used and the time taken to produce the mice identified as carrying the mutation. Please note that identified pairs may not reflect the mating scheme utilized by The Jackson Laboratory prior to cryopreservation of the strain. Mating schemes are sometimes modified for successful cryopreservation. Please contact Customer Service for more information on the cost of progeny testing for a strain: Tel: 1-800-422-6423 (from U.S.A., Canada and Puerto Rico only) or 1-207-288-5845 (from any location). The Jackson Laboratory cannot guarantee the reproductive success of mice shipped to your facility. If the mice are lost after the first three days (post-arrival) or do not produce progeny at your facility, a new order and fee will be necessary.

    Cryorecovery to establish a Dedicated Supply for greater quantities of mice.
    Mice recovered can be used to establish a dedicated colony to contractually supply you mice according to your requirements. Price by quotation. For more information on Dedicated Supply, please contact JAX® Services, Tel: 1-800-422-6423 (from U.S.A., Canada or Puerto Rico only) or 1-207-288-5845 (from any location).

View USA Canada and Mexico Pricing View International Pricing

Standard Supply

Cryopreserved. Ready for recovery. Please refer to pricing and supply notes for further information.

General Supply Notes

Control Information

  Control
   Untyped from the colony
 
  Considerations for Choosing Controls
  Control Pricing Information for Genetically Engineered Mutant Strains.
 

Payment Terms and Conditions

Terms are granted by individual review and stated on the customer invoice(s) and account statement. These transactions are payable in U.S. currency within the granted terms. Payment for services, products, shipping containers, and shipping costs that are rendered are expected within the payment terms indicated on the invoice or stated by contract. Invoices and account balances in arrears of stated terms may result in The Jackson Laboratory pursuing collection activities including but not limited to outside agencies and court filings.


See Terms of Use tab for General Terms and Conditions


The Jackson Laboratory's Genotype Promise

The Jackson Laboratory has rigorous genetic quality control and mutant gene genotyping programs to ensure the genetic background of JAX® Mice strains as well as the genotypes of strains with identified molecular mutations. JAX® Mice strains are only made available to researchers after meeting our standards. However, the phenotype of each strain may not be fully characterized and/or captured in the strain data sheets. Therefore, we cannot guarantee a strain's phenotype will meet all expectations. To ensure that JAX® Mice will meet the needs of individual research projects or when requesting a strain that is new to your research, we suggest ordering and performing tests on a small number of mice to determine suitability for your particular project.
Ordering Information
JAX® Mice
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JAX® Services
Customer Services and Support
Tel: 1-800-422-6423 or 1-207-288-5845
Fax: 1-207-288-6150
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Terms of Use

Terms of Use


General Terms and Conditions


Contact information

General inquiries

Contracts Administration

phone:207-288-6470
fax:207-288-6655

JAX® Mice, Products & Services Conditions of Use

"MICE" means mouse strains, their progeny derived by inbreeding or crossbreeding, unmodified derivatives from mouse strains or their progeny supplied by The Jackson Laboratory ("JACKSON"). "PRODUCTS" means biological materials supplied by JACKSON, and their derivatives. "RECIPIENT" means each recipient of MICE, PRODUCTS, or services provided by JACKSON including each institution, its employees and other researchers under its control. MICE or PRODUCTS shall not be: (i) used for any purpose other than the internal research, (ii) sold or otherwise provided to any third party for any use, or (iii) provided to any agent or other third party to provide breeding or other services. Acceptance of MICE or PRODUCTS from JACKSON shall be deemed as agreement by RECIPIENT to these conditions, and departure from these conditions requires JACKSON's prior written authorization.

No Warranty

MICE, PRODUCTS AND SERVICES ARE PROVIDED “AS IS”. JACKSON EXTENDS NO WARRANTIES OF ANY KIND, EITHER EXPRESS, IMPLIED, OR STATUTORY, WITH RESPECT TO MICE, PRODUCTS OR SERVICES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR ANY WARRANTY OF NON-INFRINGEMENT OF ANY PATENT, TRADEMARK, OR OTHER INTELLECTUAL PROPERTY RIGHTS.

In case of dissatisfaction for a valid reason and claimed in writing by a purchaser within ninety (90) days of receipt of mice, products or services, JACKSON will, at its option, provide credit or replacement for the mice or product received or the services provided.

No Liability

In no event shall JACKSON, its trustees, directors, officers, employees, and affiliates be liable for any causes of action or damages, including any direct, indirect, special, or consequential damages, arising out of the provision of MICE, PRODUCTS or services, including economic damage or injury to property and lost profits, and including any damage arising from acts or negligence on the part of JACKSON, its agents or employees. Unless prohibited by law, in purchasing or receiving MICE, PRODUCTS or services from JACKSON, purchaser or recipient, or any party claiming by or through them, expressly releases and discharges JACKSON from all such causes of action or damages, and further agrees to defend and indemnify JACKSON from any costs or damages arising out of any third party claims.

MICE and PRODUCTS are to be used in a safe manner and in accordance with all applicable governmental rules and regulations.

The foregoing represents the General Terms and Conditions applicable to JACKSON’s MICE, PRODUCTS or services. In addition, special terms and conditions of sale of certain MICE, PRODUCTS or services may be set forth separately in JACKSON web pages, catalogs, price lists, contracts, and/or other documents, and these special terms and conditions shall also govern the sale of these MICE, PRODUCTS and services by JACKSON, and by its licensees and distributors.

Acceptance of delivery of MICE, PRODUCTS or services shall be deemed agreement to these terms and conditions. No purchase order or other document transmitted by purchaser or recipient that may modify the terms and conditions hereof, shall be in any way binding on JACKSON, and instead the terms and conditions set forth herein, including any special terms and conditions set forth separately, shall govern the sale of MICE, PRODUCTS or services by JACKSON.


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