{"id":"https://openalex.org/W2340912283","doi":null,"title":"Investigation of serum leptin levels in professional male football players and healthy sedentary males.","display_name":"Investigation of serum leptin levels in professional male football players and healthy sedentary males.","publication_year":2005,"publication_date":"2005-04-01","ids":{"openalex":"https://openalex.org/W2340912283","mag":"2340912283","pmid":"https://pubmed.ncbi.nlm.nih.gov/15855887"},"language":"en","primary_location":{"id":"pmid:15855887","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15855887","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":"Neuro endocrinology letters","raw_type":"Clinical Trial"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Mehmet Unal","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I67581229","display_name":"Istanbul University","ror":"https://ror.org/03a5qrr21","country_code":"TR","type":"education","lineage":["https://openalex.org/I67581229"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Mehmet Unal","raw_affiliation_strings":["Istanbul University Istanbul School of Medicine, Department of Sport Medicine, Istanbul-Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istanbul University Istanbul School of Medicine, Department of Sport Medicine, Istanbul-Turkey","institution_ids":["https://openalex.org/I67581229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050047874","display_name":"Duri\u015fehvar \u00d6zer \u00dcnal","orcid":"https://orcid.org/0000-0003-0754-1240","observed_orcids":["https://orcid.org/0000-0003-0754-1240"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Durisehvar Ozer Unal","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067235376","display_name":"Abd\u00fclkerim Kas\u0131m Baltac\u0131","orcid":"https://orcid.org/0000-0003-2461-1212","observed_orcids":["https://orcid.org/0000-0003-2461-1212"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Abdulkerim Kasim Baltaci","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030063589","display_name":"Rasim Mo\u011fulko\u00e7","orcid":"https://orcid.org/0000-0001-6155-6780","observed_orcids":["https://orcid.org/0000-0001-6155-6780"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rasim Mogulkoc","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5013410372","display_name":"Abidin Kayserilio\u011flu","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Abidin Kayserilioglu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5709,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.56917507,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"26","issue":"2","first_page":"148","last_page":"51"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10489","display_name":"Regulation of Appetite and Obesity","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10489","display_name":"Regulation of Appetite and Obesity","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10528","display_name":"Adipokines, Inflammation, and Metabolic Diseases","score":0.004399999976158142,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T10960","display_name":"Hypothalamic control of reproductive hormones","score":0.0013000000035390258,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/leptin","display_name":"leptin","score":0.9620000123977661},{"id":"https://openalex.org/keywords/serum-leptin-levels","display_name":"serum leptin","score":0.8550000190734863},{"id":"https://openalex.org/keywords/professional-football-players","display_name":"professional football players","score":0.9800000190734863},{"id":"https://openalex.org/keywords/athletes","display_name":"athletes","score":0.7599999904632568},{"id":"https://openalex.org/keywords/sedentary-men","display_name":"sedentary men","score":0.9240000247955322},{"id":"https://openalex.org/keywords/body-mass-index","display_name":"body mass index","score":0.7559999823570251},{"id":"https://openalex.org/keywords/body-fat-percentage","display_name":"body fat percentage","score":0.8579999804496765},{"id":"https://openalex.org/keywords/vo2max","display_name":"VO2max","score":0.8799999952316284},{"id":"https://openalex.org/keywords/exercise-capacity","display_name":"exercise capacity","score":0.7400000095367432},{"id":"https://openalex.org/keywords/blood-lactate","display_name":"blood lactate","score":0.9399999976158142},{"id":"https://openalex.org/keywords/exercise-duration","display_name":"exercise duration","score":0.4819999933242798}],"concepts":[{"id":"https://openalex.org/C2780613262","wikidata":"https://www.wikidata.org/wiki/Q223739","display_name":"Leptin","level":3,"score":0.9468941688537598},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.7078818082809448},{"id":"https://openalex.org/C2781054738","wikidata":"https://www.wikidata.org/wiki/Q4813730","display_name":"Athletes","level":2,"score":0.6874470114707947},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.6404470205307007},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.6114615201950073},{"id":"https://openalex.org/C3017797855","wikidata":"https://www.wikidata.org/wiki/Q937857","display_name":"Football players","level":3,"score":0.5657015442848206},{"id":"https://openalex.org/C2778444522","wikidata":"https://www.wikidata.org/wiki/Q1081491","display_name":"Football","level":2,"score":0.4436296224594116},{"id":"https://openalex.org/C511355011","wikidata":"https://www.wikidata.org/wiki/Q12174","display_name":"Obesity","level":2,"score":0.348463237285614},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.22425782680511475},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000273","descriptor_name":"Adipose Tissue","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000886","descriptor_name":"Anthropometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001823","descriptor_name":"Body Composition","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D005538","descriptor_name":"Football","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008019","descriptor_name":"Life Style","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012016","descriptor_name":"Reference Values","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015444","descriptor_name":"Exercise","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D015992","descriptor_name":"Body Mass Index","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D020738","descriptor_name":"Leptin","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true}],"locations_count":2,"locations":[{"id":"pmid:15855887","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15855887","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":"Neuro endocrinology letters","raw_type":"Clinical Trial"},{"id":"mag:2340912283","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15855887","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.98580002784729}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1791570282","https://openalex.org/W1975580139","https://openalex.org/W1988332016","https://openalex.org/W1988936452","https://openalex.org/W1990750558","https://openalex.org/W1992142769","https://openalex.org/W1995846387","https://openalex.org/W2001356745","https://openalex.org/W2004361408","https://openalex.org/W2015072700","https://openalex.org/W2022425822","https://openalex.org/W2032047478","https://openalex.org/W2047605334","https://openalex.org/W2058612865","https://openalex.org/W2059392106","https://openalex.org/W2062762729","https://openalex.org/W2085528864","https://openalex.org/W2093145942","https://openalex.org/W2121415936","https://openalex.org/W2163399863","https://openalex.org/W2173432414","https://openalex.org/W2305704635"],"related_works":["https://openalex.org/W2011657009","https://openalex.org/W2189463800","https://openalex.org/W2136336529","https://openalex.org/W1963750037","https://openalex.org/W2020314380","https://openalex.org/W2469173213","https://openalex.org/W1517983160","https://openalex.org/W2775805108","https://openalex.org/W1975771619","https://openalex.org/W7034607910"],"abstract_inverted_index":{"OBJECTIVE:":[0],"In":[1],"the":[2,75,89,96,116,135,154,160,174,182],"present":[3],"study":[4,33,76],"we":[5],"aimed":[6],"at":[7],"investigating":[8],"leptin":[9,25,52,93,164,179,197],"levels":[10,26,60,94,104,122,144,155,165],"in":[11,27,49,74,115,132,156,162,167,172],"professional":[12,37,81],"male":[13,36,82],"athletes":[14,83],"who":[15,147],"have":[16],"been":[17],"exercising":[18,188],"regularly":[19,149],"for":[20,119],"a":[21],"long":[22],"time":[23],"and":[24,40,62,65,106,125],"healthy":[28,42,90,157],"sedentary":[29,43,91],"males.":[30,44,158],"METHODS:":[31],"The":[32,45],"included":[34],"10":[35],"football":[38],"players":[39],"17":[41],"relations":[46],"between":[47,126],"groups":[48],"terms":[50],"of":[51,80,88,95,145,177],"levels,":[53,56],"Max":[54],"VO2":[55],"blood":[57],"lactic":[58,120],"acid":[59,121],"before":[61],"after":[63,123],"exercise":[64,124],"effort":[66],"durations":[67],"were":[68,98,110,129,150],"investigated.":[69],"RESULTS:":[70],"It":[71],"was":[72,84,137],"found":[73,151],"that":[77,87],"although":[78],"BMI":[79,171],"higher":[85,112,131],"than":[86,113,153],"males,":[92],"former":[97],"significantly":[99,111],"lower":[100,152],"(p<0.01),":[101],"while":[102],"VO2Max":[103],"(p<0.05)":[105],"test":[107],"periods":[108],"(p<0.01)":[109],"those":[114,146],"latter.":[117],"As":[118,186],"groups,":[127],"these":[128],"also":[130,194],"athletes,":[133],"but":[134],"difference":[136],"not":[138],"statistically":[139],"significant":[140],"(p>0.05).":[141],"CONCLUSION:":[142],"Leptin":[143],"exercised":[148],"Although":[159],"increase":[161],"serum":[163,178,196],"is":[166,181],"direct":[168],"proportion":[169],"with":[170],"general,":[173],"major":[175],"determinant":[176],"level":[180],"body":[183,190],"fat":[184,191],"rate.":[185],"regular":[187],"reduces":[189,195],"rate,":[192],"it":[193],"levels.":[198]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
