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[Acsady et al., 1996, Fig. 3 cell #5] 0302 - CW
CA1 interneuron-specific-I 0322 cells
n = 1
patterning does not match any other current class
CLR 07/13/2011
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I would suspend it as 0302. - DWW 07/13/2011
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CA1 calbindin SR 0302 neuron
Note: I found no evidence for the "large calbindin" cells referred to in the Klausberger & Somogyi series (included at the end of the packet). It's possible that these cells originate from a "lumping together" of the evidence in Gulyas and Freund's Figure 2. An email to Klausberger or Somogyi may be the next step.
n = 1
CLR 07/20/2011
CA1 (-)0302 stratum radiatum-targeting calbindin (SR CB) neurons
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Merger status:
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Unable to merge with CA1 0302 IS-1 because of target specificity
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No current merger proposals
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Notes:
N = 1
Synapse predominantly with pyramidal cells; 5% of synapses are with GABA-positive dendrites
Chemical marker information: 0302 IS-1 is CB+
CLR 07/20/2011
Do you approve of merging these two cell classes?
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CA1 IS-1 0302 (n = 1)
CA1 calbindin 0302 (n = 1)
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YEs. - CLR, DWW, CW 07/21/2011
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OK. defrost? name? IS? Clearly 2 subclasses. We need to decide how to deal w/ these cases ... - GAA
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Do you approve of merging these two cell classes under the name, CA1 (-)0302 radiatum targeting interneurons (RTI)?
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CA1 (-)0302 CB SR neurons (suspended)
CA1 (-)0302 SCA neurons (needs approval)
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YES - DWW, CLR 01/16/2013
CA1 (-)0322/0302 Schaffer collateral-associated (SCA) cells
Notes:
N = 5
The Topolnik + Leao figures clearly have dendrites in SP. I suggest removing the Somogyi-Lamsa paper and adding it to 0302 CB-SR. This leaves Topolnik + Leao in this packet, which I approve as 0322 SCA. - CW 01/17/2013
Do you approve of merging these two cell classes under the name, CA1 (-)0302 radiatum targeting interneurons (RTI)?
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CA1 (-)0302 CB SR neurons (suspended)
CA1 (-)0302 SCA neurons (needs approval)
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YES - DWW 01/16/2013
Notes: CLR earlier approved this merger before the Somogyi 2012 article was added.
CA1 (-)0302 ivy cells
Notes:
N = 2
No information available on CB expression, although CA1 (-)0333 ivy cells are CB- and CCK-.
CW 01/17/2013
Do you approve of merging these two cell classes under the name, CA1 (-)0302 radiatum targeting interneurons (RTI)?
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CA1 (-)0302 CB SR neurons (suspended)
CA1 (-)0302 ivy cells (needs approval)
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YES - DWW, CLR 01/23/2013
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YES (I think it needd another name) - CW 01/23/2013
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CA1 (-)0322 Schaffer collateral-associated (SCA) cells
Notes:
N = 3
CW 01/17/2013
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Should the prev. suspended #4 of Gulyas & Freund come here? Calbindin? Same position all over ... - GAA
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CA1 (i)0322 Schaffer Collateral-Receiving R-targeting (SCR R-target) cells
Notes:
N = 3
New highlighted pages added reporting Topolnik cells are CCK+ and speculated to be CB+. CA1 (-)2311 Schaffer collateral-associated cells are CCK+ and CB+.
No marker expression reported for Leão cells.
CW 01/17/2013
Do you approve of merging these two cell classes under the name, CA1 (-)0302 ivy cells?
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CA1 (-)0302 CB SR neurons (suspended)
CA1 (-)0302 ivy cells (needs approval)
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YES - DWW, CLR, CW 03/04/2013
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OK. We'll have to explain & represents (i.e. draft, vet, approve) the topic in the portal how the various papers relate to each other in our view & why - GAA
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Notes: These two classes are to be merged with the caveat that, if the Somogyi-declared ivy ever become more clearly defined through markers and/or electrophysiology, then these packets may have to be re-split.
CA1 (i) 0322 Schaffer Collateral-Receiving R-Targeting (SCR R-target) cells
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Status:
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supplement to CA1 (i) 0322 Schaffer Collateral-Receiving R-Targeting
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Notes:
N = 3
I recommend merging [the Varga et al., 2014, cell] with our SC-recv R-targeting (0311). - GAA
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I disapprove of the merger proposal as these new cells clearly have dendrites in SO. I believe they should stand on their own. - DWW 09/09/2015
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I, too, do not approve the merger. If we do create this type, I recommend that we do not call it c "classical" bistratified because I think the community considers the Buhl neuron with axons in SO as the classical pattern. - CW 09/24/2015
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GAA meant to suggest merging these with 0322 (SC-recv r-targeting is correct, but the 0311 was a typo). I approve the merger into 0322. CLR 10/10/2015
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I also support the merger into 0322. - DWW 10/19/2015
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I approve the merger with 0322. - CW 10/19/2015
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OK - GAA 11/29/2015
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CA1 (-)0302 C-Bistratified (C-Bistrat) cells
Notes:
N = 2
This is a newly formed packet from supplemental cells from the CA1 (i)0322 Schaffer Collateral-Receiving R-Targeting packet.
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Status:
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merger proposal: CA1 (i)0322 into CA1 (i)0302
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Related types:
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CA1 (i)0322 Schaffer Collateral-Related R-targeting (v1.0 active)
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CA1 (i)0302 C-Bistratified (v1.0 in vivo added active)
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Notes:
Principal cell layer invoked rule: record axons in the PCL when boutons are present or when axons are branching and ostensibly targeting the PCL and not just passing through, but discount dendrites.
I am in agreement with compression of the 0322 SCR_R-Targeting with the 0302 C-Bistratified to be considered as 0302. - JDK 11/03/2021
After re-review, I am still in favor of compression of these two neuron types to be considered as 0302. - JDK 11/22/2021
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I approve. I guess we shouldnâ??t have added the new cell type for the PLoS Bio paper? Which of the two should we keep, the legacy cell or the shorter-named one? I would probably go with the former but am happy either way if you and Jeffrey prefer otherwise. - GAA 02/02/2022
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For her 2 cents, CW was apparently not in favor of the C-Bistratified, or Classical Bistratified, name, as it might be confusing considering our canonical 0333 Bistratified type. Therefore, I, too, am in favor of keeping the longer name of the legacy cell. - DWW 02/02/2022
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I am in favor of keeping the longer name of the legacy cell per your rationale. - JDK 02/02/2022
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CA1 (i)0302 Schaffer Collateral-Receiving R-targeting (SCR R-target) cells [4084]
Notes:
Principal cell layer invoked rule: record axons in the PCL when boutons are present or when axons are branching and ostensibly targeting the PCL and not just passing through, but discount dendrites.
New highlighted pages added reporting Topolnik cells are CCK+ and speculated to be CB+. CA1 (-)2311 Schaffer collateral-associated cells are CCK+ and CB+.
No marker expression reported for Leão cells.
I am in agreement with compression of the 0322 SCR_R-Targeting with the 0302 C-Bistratified to be considered as 0302. - JDK 11/03/2021
After re-review, I am still in favor of compression of these two neuron types to be considered as 0302. - JDK 11/22/2021
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I approve. I guess we shouldnâ??t have added the new cell type for the PLoS Bio paper? Which of the two should we keep, the legacy cell or the shorter-named one? I would probably go with the former but am happy either way if you and Jeffrey prefer otherwise. - GAA 02/02/2022
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For her 2 cents, CW was apparently not in favor of the C-Bistratified, or Classical Bistratified, name, as it might be confusing considering our canonical 0333 Bistratified type. Therefore, I, too, am in favor of keeping the longer name of the legacy cell. - DWW 02/02/2022
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I am in favor of keeping the longer name of the legacy cell per your rationale. - JDK 02/02/2022
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A new merger is proposed: folding in the previously approved Somogyi and Gulyas cells, which were never formally incorporated into the database, into the CA1 (i)0302 Schaffer Collateral-Receiving R-targeting neuron type. - 02/02/2022
No information available on CB expression for 0302 Ivy cells, although CA1 (i)0333 Ivy cells are CB- and CCK-.
Yes, it seems that the 0302 Ivy should be folded in into one unified packet. I guess we can assume them to be calbindin-positive then? - GAA 02/02/2022
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In reading through the two packets I had the same question regarding CB positivity as GAA. I am in favor of the merger if we assume CB positivity. - JDK 02/02/2022
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I, too, am in favor of declaring the cells to be CB positive. - DWW 02/03/2022
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