{"id":"https://openalex.org/W1977059969","doi":"https://doi.org/10.1095/biolreprod39.5.1051","title":"Patterns of Progesterone Secretion in Free-Living California Ground Squirrels (Spermophilus Beecheyi)1","display_name":"Patterns of Progesterone Secretion in Free-Living California Ground Squirrels (Spermophilus Beecheyi)1","publication_year":1988,"publication_date":"1988-12-01","ids":{"openalex":"https://openalex.org/W1977059969","doi":"https://doi.org/10.1095/biolreprod39.5.1051","mag":"1977059969","pmid":"https://pubmed.ncbi.nlm.nih.gov/3219378"},"language":"en","primary_location":{"id":"doi:10.1095/biolreprod39.5.1051","doi":"https://doi.org/10.1095/biolreprod39.5.1051","is_oa":false,"landing_page_url":"https://doi.org/10.1095/biolreprod39.5.1051","pdf_url":null,"source":{"id":"https://openalex.org/S130598054","display_name":"Biology of Reproduction","issn_l":"0006-3363","issn":["0006-3363","1529-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biology of Reproduction","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040696237","display_name":"Kay E. Holekamp","orcid":"https://orcid.org/0000-0001-5471-1076","observed_orcids":["https://orcid.org/0000-0001-5471-1076"]},"institutions":[{"id":"https://openalex.org/I185103710","display_name":"University of California, Santa Cruz","ror":"https://ror.org/03s65by71","country_code":"US","type":"education","lineage":["https://openalex.org/I185103710"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kay E. Holekamp","raw_affiliation_strings":["Thimann Laboratories, University of California, Santa Cruz 95064","Thimann Laboratories, University of California Santa Cruz, California 95064"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thimann Laboratories, University of California, Santa Cruz 95064","institution_ids":["https://openalex.org/I185103710"]},{"raw_affiliation_string":"Thimann Laboratories, University of California Santa Cruz, California 95064","institution_ids":["https://openalex.org/I185103710"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045075418","display_name":"Scott Nunes","orcid":"https://orcid.org/0000-0002-7644-5618","observed_orcids":["https://orcid.org/0000-0002-7644-5618"]},"institutions":[{"id":"https://openalex.org/I185103710","display_name":"University of California, Santa Cruz","ror":"https://ror.org/03s65by71","country_code":"US","type":"education","lineage":["https://openalex.org/I185103710"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Scott Nunes","raw_affiliation_strings":["Thimann Laboratories, University of California Santa Cruz, California 95064"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thimann Laboratories, University of California Santa Cruz, California 95064","institution_ids":["https://openalex.org/I185103710"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033066814","display_name":"Frank J. Talamantes","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I185103710","display_name":"University of California, Santa Cruz","ror":"https://ror.org/03s65by71","country_code":"US","type":"education","lineage":["https://openalex.org/I185103710"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Frank Talamantes","raw_affiliation_strings":["Thimann Laboratories, University of California Santa Cruz, California 95064"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Thimann Laboratories, University of California Santa Cruz, California 95064","institution_ids":["https://openalex.org/I185103710"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I185103710"],"apc_list":{"value":4605,"currency":"USD","value_usd":4605},"apc_paid":null,"fwci":0.8139,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.71192717,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"39","issue":"5","first_page":"1051","last_page":"1059"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10960","display_name":"Hypothalamic control of reproductive hormones","score":0.21690000593662262,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10960","display_name":"Hypothalamic control of reproductive hormones","score":0.21690000593662262,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10174","display_name":"Animal Behavior and Reproduction","score":0.18490000069141388,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10756","display_name":"Estrogen and related hormone effects","score":0.16130000352859497,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/progesterone-synthesis","display_name":"progesterone secretion","score":0.7770000100135803},{"id":"https://openalex.org/keywords/prolactin","display_name":"prolactin","score":0.8389999866485596},{"id":"https://openalex.org/keywords/california-ground-squirrel","display_name":"California ground squirrel","score":0.968999981880188},{"id":"https://openalex.org/keywords/spermophilus-beecheyi","display_name":"Spermophilus beecheyi","score":0.996999979019165},{"id":"https://openalex.org/keywords/pregnancy","display_name":"pregnancy","score":0.6819999814033508},{"id":"https://openalex.org/keywords/lactation","display_name":"lactation","score":0.9980000257492065},{"id":"https://openalex.org/keywords/childbirth","display_name":"childbirth","score":0.925000011920929},{"id":"https://openalex.org/keywords/reproductive-status","display_name":"reproductive status","score":0.5529999732971191},{"id":"https://openalex.org/keywords/age-related-hormonal-changes","display_name":"age-related hormonal changes","score":0.5649999976158142}],"concepts":[{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.8727734088897705},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.6873579025268555},{"id":"https://openalex.org/C2776659692","wikidata":"https://www.wikidata.org/wiki/Q719426","display_name":"Lactation","level":3,"score":0.6718791723251343},{"id":"https://openalex.org/C2779064019","wikidata":"https://www.wikidata.org/wiki/Q66590068","display_name":"Prolactin","level":3,"score":0.6627474427223206},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6502720713615417},{"id":"https://openalex.org/C176685330","wikidata":"https://www.wikidata.org/wiki/Q857638","display_name":"Radioimmunoassay","level":2,"score":0.6197688579559326},{"id":"https://openalex.org/C102874275","wikidata":"https://www.wikidata.org/wiki/Q2914623","display_name":"Seasonal breeder","level":2,"score":0.5538430213928223},{"id":"https://openalex.org/C2780588931","wikidata":"https://www.wikidata.org/wiki/Q389250","display_name":"Ground squirrel","level":3,"score":0.5133928060531616},{"id":"https://openalex.org/C74414138","wikidata":"https://www.wikidata.org/wiki/Q886549","display_name":"Venipuncture","level":2,"score":0.5117003917694092},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5016322135925293},{"id":"https://openalex.org/C55969652","wikidata":"https://www.wikidata.org/wiki/Q259028","display_name":"photoperiodism","level":2,"score":0.4572742283344269},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.4160323143005371},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.3571065068244934},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.29473093152046204},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.2498036026954651},{"id":"https://openalex.org/C100564792","wikidata":"https://www.wikidata.org/wiki/Q190259","display_name":"Thermoregulation","level":2,"score":0.1697264313697815},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007774","descriptor_name":"Lactation","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011388","descriptor_name":"Prolactin","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D011388","descriptor_name":"Prolactin","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D012589","descriptor_name":"Sciuridae","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1095/biolreprod39.5.1051","doi":"https://doi.org/10.1095/biolreprod39.5.1051","is_oa":false,"landing_page_url":"https://doi.org/10.1095/biolreprod39.5.1051","pdf_url":null,"source":{"id":"https://openalex.org/S130598054","display_name":"Biology of Reproduction","issn_l":"0006-3363","issn":["0006-3363","1529-7268"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biology of Reproduction","raw_type":"journal-article"},{"id":"pmid:3219378","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3219378","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biology of reproduction","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.4300000071525574}],"study_designs":[],"awards":[{"id":"https://openalex.org/G1888001194","display_name":null,"funder_award_id":"HD06553-02","funder_id":"https://openalex.org/F4320337611","funder_display_name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development"}],"funders":[{"id":"https://openalex.org/F4320337611","display_name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development","ror":"https://ror.org/04byxyr05"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2028405720","https://openalex.org/W2145146328","https://openalex.org/W1996364861","https://openalex.org/W4390055004","https://openalex.org/W2040869952","https://openalex.org/W2052480044","https://openalex.org/W7117710758","https://openalex.org/W1976454089","https://openalex.org/W2008063106","https://openalex.org/W2789728264"],"abstract_inverted_index":{"During":[0],"a":[1,6,107],"long-term":[2],"field":[3],"study":[4],"of":[5,9,50,100,116,144],"free-living":[7],"population":[8],"California":[10],"ground":[11],"squirrels":[12],"(Spermophilus":[13],"beecheyi),":[14],"blood":[15],"samples":[16],"were":[17,35,67,86],"drawn":[18],"at":[19],"regular":[20],"intervals":[21],"from":[22,103,151],"marked":[23,108],"females":[24,85,105,139],"via":[25],"femoral":[26],"venipuncture,":[27],"and":[28,32,43,76,126],"plasma":[29],"progesterone":[30],"(P)":[31],"prolactin":[33],"(PRL)":[34],"measured":[36],"by":[37],"radioimmunoassay.":[38],"Marked":[39],"fluctuations":[40],"with":[41,53],"season":[42],"reproductive":[44,135],"condition":[45],"occurred":[46],"in":[47,64,84,110,147],"circulating":[48,111],"levels":[49,55,83,123,131],"both":[51],"hormones,":[52],"peak":[54,130],"occurring":[56,73],"during":[57,74,79,89,132],"the":[58,71,77,90,95,114],"spring":[59],"breeding":[60],"season.":[61],"Two":[62],"peaks":[63],"P":[65,97,112,122,145],"concentrations":[66],"observed":[68,142],"each":[69],"spring,":[70],"first":[72],"pregnancy,":[75],"second":[78],"lactation.":[80],"Peak":[81],"PRL":[82],"also":[87],"reached":[88],"lactation":[91],"interval,":[92],"midway":[93],"between":[94],"two":[96],"peaks.":[98],"Analysis":[99],"repeated":[101],"measures":[102],"individual":[104],"showed":[106],"decline":[109],"around":[113],"time":[115],"parturition.":[117],"Juveniles":[118],"had":[119,128],"lower":[120,129],"mean":[121],"than":[124,137],"adults,":[125],"yearlings":[127],"their":[133],"initial":[134],"episodes":[136],"older":[138],"did.":[140],"The":[141],"pattern":[143],"secretion":[146],"S.":[148],"beecheyi":[149],"differs":[150],"that":[152],"known":[153],"for":[154,161],"most":[155],"mammals,":[156],"but":[157],"resembles":[158],"those":[159],"reported":[160],"other":[162],"ground-dwelling":[163],"sciurid":[164],"rodents.":[165]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
