LEDDA, Sergio
 Distribuzione geografica
Continente #
NA - Nord America 11.175
AS - Asia 6.991
SA - Sud America 4.457
EU - Europa 4.207
AF - Africa 231
Continente sconosciuto - Info sul continente non disponibili 28
OC - Oceania 26
AN - Antartide 1
Totale 27.116
Nazione #
US - Stati Uniti d'America 10.927
BR - Brasile 4.018
SG - Singapore 2.993
CN - Cina 2.292
UA - Ucraina 1.647
DE - Germania 651
HK - Hong Kong 583
SE - Svezia 442
IT - Italia 424
FI - Finlandia 323
GB - Regno Unito 230
VN - Vietnam 181
AR - Argentina 171
TR - Turchia 141
IN - India 134
MX - Messico 100
RU - Federazione Russa 100
IQ - Iraq 92
CA - Canada 80
BD - Bangladesh 79
EC - Ecuador 72
ZA - Sudafrica 67
UZ - Uzbekistan 61
JP - Giappone 58
KR - Corea 58
VE - Venezuela 57
CZ - Repubblica Ceca 56
MA - Marocco 56
PL - Polonia 49
BE - Belgio 48
CO - Colombia 43
FR - Francia 42
PK - Pakistan 39
ES - Italia 38
ID - Indonesia 35
PY - Paraguay 30
KE - Kenya 28
NL - Olanda 27
AU - Australia 24
AZ - Azerbaigian 24
TN - Tunisia 23
EU - Europa 22
IR - Iran 22
AE - Emirati Arabi Uniti 21
CL - Cile 20
JO - Giordania 20
NP - Nepal 20
KZ - Kazakistan 18
PE - Perù 18
UY - Uruguay 18
AL - Albania 16
IL - Israele 15
LB - Libano 15
DZ - Algeria 14
JM - Giamaica 14
LT - Lituania 14
AT - Austria 13
PH - Filippine 13
CR - Costa Rica 12
DO - Repubblica Dominicana 12
EG - Egitto 12
OM - Oman 10
RO - Romania 10
SA - Arabia Saudita 10
SN - Senegal 10
KG - Kirghizistan 9
PA - Panama 9
BG - Bulgaria 8
BO - Bolivia 8
BY - Bielorussia 8
IE - Irlanda 8
RS - Serbia 8
MD - Moldavia 7
PS - Palestinian Territory 7
BA - Bosnia-Erzegovina 6
DK - Danimarca 6
GE - Georgia 6
GR - Grecia 6
NI - Nicaragua 6
BH - Bahrain 4
BN - Brunei Darussalam 4
CH - Svizzera 4
CI - Costa d'Avorio 4
HN - Honduras 4
MY - Malesia 4
TT - Trinidad e Tobago 4
A2 - ???statistics.table.value.countryCode.A2??? 3
AM - Armenia 3
BW - Botswana 3
HU - Ungheria 3
KH - Cambogia 3
MK - Macedonia 3
MN - Mongolia 3
NG - Nigeria 3
QA - Qatar 3
XK - ???statistics.table.value.countryCode.XK??? 3
AO - Angola 2
BB - Barbados 2
EE - Estonia 2
GA - Gabon 2
Totale 27.080
Città #
Dallas 3.554
Singapore 1.623
Chandler 1.538
Jacksonville 958
Hong Kong 581
Princeton 533
Beijing 481
Nanjing 426
Ashburn 303
São Paulo 290
Dearborn 286
Wilmington 215
New York 198
Ann Arbor 183
Boardman 182
Shanghai 178
Sassari 176
Nanchang 159
Los Angeles 156
Shenyang 107
Rio de Janeiro 106
Belo Horizonte 93
Woodbridge 91
Hebei 88
Santa Clara 88
Tianjin 85
Brasília 77
Changsha 71
Jiaxing 67
Columbus 63
Ho Chi Minh City 62
Munich 62
The Dalles 62
Porto Alegre 58
Seoul 58
Jinan 57
Curitiba 56
Buffalo 54
Tashkent 54
Council Bluffs 53
Helsinki 52
Kunming 52
San Francisco 51
Tokyo 51
Andover 49
Hanoi 48
Brussels 47
Guarulhos 47
Brno 46
Goiânia 45
Campinas 44
Warsaw 44
Hangzhou 42
Ningbo 42
Baghdad 39
Zhengzhou 39
Turku 38
Norwalk 37
Salvador 36
London 35
Guangzhou 34
Johannesburg 34
Santo André 34
Taizhou 34
Ribeirão Preto 32
Denver 29
Fortaleza 29
Stockholm 29
Izmir 28
Betim 27
Quito 27
Toronto 27
Phoenix 26
Sorocaba 26
Nairobi 25
Recife 25
Brooklyn 24
Osasco 24
Mexico City 23
Pelotas 23
São Bernardo do Campo 23
Guayaquil 22
Atlanta 21
Auburn Hills 21
Baku 21
Dhaka 21
Manaus 21
Montreal 21
Amman 20
Amsterdam 20
Bogotá 20
Buenos Aires 20
Campo Grande 20
Caxias do Sul 20
Chennai 20
Chicago 20
Juiz de Fora 20
Uberlândia 20
Ankara 19
Mountain View 19
Totale 15.385
Nome #
Annual variations in resistive index (RI) of testicular artery, volume measurements and testosterone levels in bucks 282
266 biocompatibility of nanoceria in ram sperm during 24 hours of incubation 230
Biocompatibility of nanoceria in ram sperm during 24 hours of incubation 223
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex. Theriogenology ; : 201
Cerium oxide nanoparticles (CeO2 NPs) improve the developmental competence of in vitro-matured prepubertal ovine oocytes 197
Activity of Maturation Promoting Factor (MPF) and Mitogen-Activated Protein Kinases (MAPK) during in vitro maturation of horse expanded or compact cumulus complex 197
Analysis of gene expression of ovine pre-implantation embryos derived from in vitro fertilization and parthenogenetic activation 189
Amniotic fluid l-ergothioneine concentrations in pregnant sheep after natural mating and transfer of vitrified/thawed in-vitro produced embryos 184
A novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 184
Defined media for vitrification, warming, and rehydration: effects on post-thaw protein synthesis and viability of in vitro derived ovine embryos 178
Activity of maturation promoting factor (MPF) and mitogen-activated protein kinases (MAPK) during in vitro maturation of domestic cat oocytes 178
A low oxygen atmosphere during IVF accelerates the kinetic of formation of In vitro produced ovine blastocysts 177
Analysis of morphological and functional parameters of ram semen stored at 4°c in a commercial extender for up to 24 hours 176
Comparation of foetal growth in natural mated and vitrified/warmed ovine embryos by ultrasonographic measutements 175
Cadmium effects on the in vitro maturation and fertilisation of ovine oocyte 170
Cerium dioxide nanoparticles did not alter the functional and morphologic characteristics of ram sperm during short-term exposure 165
Post-mortem recovery, in vitro maturation and fertilization of fallow deer (Dama dama, Linnaeus 1758) oocytes collected during reproductive and no reproductive season 163
A new selection criterion to assess good quality ovine blastocysts after vitrification and to predict their transfer into recipients 161
Activity of maturation promoting factor (MPF) and mitogen activated protein kinase (MAPK) after parthenogenetic activation of ovine oocytes 156
Custom microarray analysis of gene expression in oocytes derived from adult and prepubertal sheep during in vitro maturation 152
Prepubertal and adult ovine oocytes show different sensitivity to vitrification procedures 146
Delay on the in vitro kinetic development of prepubertal ovine embryos 146
Activity of maturation promoting factor, but not of microtubule-activated protein kinase, decreases over time in frozen thawed human oocytes 146
Expression of pluripotency markers in genital ridges of ovine foetuses 145
Repeatability of antral follicle count during early gestation in dairy cattle 145
Differences in amniotic amino acids concentrations between pregnancies obtained with transfer of vitrified/thawed IVP embryos and with natural mating in sheep 144
Different temporal gene expression patterns for ovine pre-implantation embryos produced by parthenogenesis or in vitro fertilization 143
A novel technique for in vitro maturation of sheep oocytes in a liquid marble microbioreactor. 143
Cell coupling and maturation-promoting factor activity in in vitro-matured prepubertal and adult sheep oocytes 138
ANALISI DELLE MODIFICAZIONI INDOTTE DALLA CRIOCONSERVAZIONE SULLA ZONA PELLUCIDA DELL’OOCITA OVINO MEDIANTE MICROSPETTROSCOPIA RAMAN 137
Messenger RNA expression patterns of Interferon-tau, OCT 4 and Nanog in ovine preimplantation embryos derived from different origins 137
Cell coupling and MPF activity in in-vitro matured prepubertal and adult sheep oocytes 135
Cadmium effects on the in vitro maturation and fertilization of ovine oocyte 134
Effect of caffeine treatment before vitrification on MPF and MAPK activity and spontaneous parthenogenetic activation of in vitro matured ovine oocytes. 134
Methylation dynamics during folliculogenesis and early embryo development in sheep 133
ULTRASONOGRAPHIC MONITORING AND AMNIOCENTESIS DURING FOETAL DEVELOPMENT OF VITRIFIED OVINE EMBRYOS 131
Insights on cryopreserved sheep fibroblasts by cryomicroscopy and gene expression analysis 131
Vitrification devices affect structural and molecular status of in vitro matured ovine oocytes 131
FSH different regimes affect the developmental capacity and cryotolerance of embryos derived from oocytes collected by ovum pick-up in donor sheep 131
VITRIFICATION OF GV AND IVM HORSE OOCYTES WITH TWO DIFFERENT EQUILIBRATION METHODS 130
Liquid storage of ram semen for 96 hours: effects on kinematic parameters, membranes and DNA integrity, and ROS production 130
Trehalose during maturation affects vitrification of prepubertal ovine oocytes 130
High post-thaw survival of ram sperm after partial freeze-drying 128
SEASONAL VARIATIONS IN RESISTIVE INDEX (RI) OF TESTICULAR ARTERY, TESTOSTERONE LEVELS AND VOLUME MEASUREMENTS IN SARDA BUCK 127
Different vitrification procedures affect the development of matured ovine oocytes 127
Testicular development in male lambs prenatally exposed to a high-starch diet 127
Analisi mediante microspettroscopia Raman delle alterazioni biochimico-molecolari indotte dallo stress ossidativo nell’oocita di topo 126
Custom microarray analysis of gene expression of ovine oocytes subjected to vitrification 125
Characterization, isolation and culture of primordial germ cells in domestic animals: recent progress and insights from the ovine species 124
ACTIVITY OF MATURATION-PROMOTING FACTOR (MPF) AND MITOGEN-ACTIVATED PROTEIN KINASES DURING IN VITRO MATURATION OF BUFFALO OOCYTES (BUBALUS BUBALIS) 124
Effect of exposure to CeO2 nanoparticles on ram spermatozoa during storage at 4 °C for 96 hours 124
Evaluation of the impact of vitrification on the actin cytoskeleton of in vitro matured ovine oocytes by means of Raman microspectroscopy. 123
Comparazione dei patterns di espressione genica di embrioni prodotti in vitro da ovini adulti e prepuberi 122
An overgrowth phenotype of in vitro produced bovine fetuses is associated with marked changes in plasma IGF-IIR and other IGF-system components but is not caused by imprinting failure at the IGF2R locus 121
DNA methylation and hydroxymethylation analysis in a model of oocyte differential developmental competence in sheep. 121
Nucleus transfer in mammals: How the oocyte cytoplasm modifies the transferred nucleus 120
I protocolli di vitrificazione influenzano la conservazione e la successiva capacità di sviluppo dell’oocita di ovino 120
CRYOTOLERANCE AND GENE EXPRESSION OF IN VITRO PRODUCED PREPUBERTAL GOAT BLASTOCYSTS 120
Two culture systems showing a biphasic effect on ovine embryo development from the 1-2 cell stage to hatched blastocysts 120
Effect of biopsy and vitrification on in vitro survival of ovine embryos at different stages of development 118
High in vitro survival rate of sheep in vitro produced blastocysts vitrified with a new method and device. 118
Concentrations of L-ergothioneine in follicular fluids of farm animals 117
Raman spectroscopy based approach to detect aging-related oxidative damage in the mouse oocyte 117
Correction: High in vitro survival rate of sheep in vitro produced blastocysts vitrified with a new method and device (Journal of Animal Science and Biotechnology (2019) 10 (90) DOI: 10.1186/s40104-019-0390-1) 117
NUCLEAR CONFIGURATION AND LIPIDS DISTRIBUTION OF IMMATURE CANINE OOCYTES FROM DIFFERENT OESTROUS STAGE. 116
Effetto della fitoemoagglutinina sullo sviluppo embrionale in vitro di oociti di ovini prepuberi 116
Expression of maternally derived KHDC3, NLRP5, OOEP and TLE6 is associated with oocyte developmental competence in the ovine species. 115
Impact of a starch-rich maternal diet in pregnant ewes on body and testicular development in male offspring 115
Novel approach to cell sampling from preimplantation ovine embryos and its potential use in embryonic genome analysis 114
M-phase promoting factor (MPF) and mitogen activated protein kinases (MAPK) activities of domestic cat oocytes matured in vitro and in vivo 114
Influence of Vasoactive Intestinal Peptide (VIP) Atrial Natriuretic Peptide (ANP) Insuline-like Growth Factor-I (IGF-I) on in vitro maturation of prepuberal and sheep oocytes 114
The effect of co-culture on the development of in vitro matured equine oocytes after intracytoplastic sperm injection 113
Membrane integrity and fertilizing potential of cryopreserved spermatozoa in European mouflon 113
Intracytoplasmic sperm injection of in vitro matured oocytes of domestic cats with frozen-thawed epididymal spermatozoa 113
Graft of the cortex ovarian and ovary tranlation in sheep: anatomical and histopatological findings 113
Delay in maternal transcript degradation in ovine embryos derived from low competence oocytes 113
Intrafollicular oocyte transfer (IFOT): Potential feasibility in the ovine species 113
Clinical and cytogenetic studies in intersex ewes 112
Epidemiological Study of Toxoplasma gondii Infection in Ovine Breeding 112
Developmental Asynchrony during in vitro Culture of in vitro Matured and Fertilized (IVMF) Pre-pubertal and Adult Sheep Oocytes 111
Detection of vitrification-induced changes of oocyte actin cytoskeleton by use of Raman microspectroscopy 111
Superoxide dismutase affects the viability of cryopreserved european mouflon (Ovis g. musimon) semen and the heterologous fertilization using both IVF and ICSI 111
Gene expression analysis of ovine prepubertal testicular tissue vitrified with a novel cryodevice (E.Vit). 111
Effect of two superovulatory treatments on survival rates of ovine embryos after vitrification 110
SEPARATION OF CAPRINE GLOBIN CHAINS BY REVERSED-PHASE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY - EVIDENCE FOR THE PRESENCE OF A SILENT BETA-B-GLOBIN ALLELE IN SARDINIAN SHEEP 110
Freemartinismo ovino: variazioni stagionali della testosteronemia e del comportamento 109
COMPARATIVE ANALYSIS OF DEVELOPMENT-RELATED GENE EXPRESSION IN PARTHENOGENETIC AND IVF SHEEP EMBRYOS 108
Evidence for a novel perturbation in cloned fetuses: Mitochondrial DNA depletion 108
3d liquid marble microbioreactors support in vitro maturation of prepubertal ovine oocytes and affect expression of oocyte-specific factors 108
Embryo cloning in sheep work in progress 107
Utilizzo del trealosio nella crioconservazione del seme di muflone (Ovis gmelini musimon) durante la stagione non riproduttiva 107
142 Mimicking the follicular environment: in vitro maturation of prepubertal ovine oocytes in a liquid marble bioreactor as a 3-dimensional culture system 106
CUSTOM MICROARRAY ANALYSIS OF GENE EXPRESSION OF OVINE OOCYTES SUBJECTED TO VITRIFICATION 106
Potenziale utilizzo del seme crioconservato di muflone (Ovis g. musimon) nella conservazione di popolazioni geneticamente isolate e di ridotte dimensioni 106
Negative effect of cumulus cells and cytochalasin on IVM and viability of vitrified immature sheep oocytes 106
NMR characterization of animals’ follicular fluids 106
Use of a Super-hydrophobic Microbioreactor to Generate and Boost Pancreatic Mini-organoids 105
Oocyte cryopreservation: oocyte assessment and strategies for improving survival 105
In vivo and in vitro fertilizing capacity of cryopreserved European mouflon [Ovis gmelini musimon] spermatozoa used to restore genetically rare and isolated populations 105
Cationi intraeritrocitari: diversità tra muflone e pecora sarda 104
Totale 13.410
Categoria #
all - tutte 112.481
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 112.481


Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/20211.280 0 0 0 0 0 87 280 20 429 309 109 46
2021/20221.234 204 14 1 11 6 5 63 75 115 66 149 525
2022/20232.961 283 170 31 511 291 507 2 386 550 31 144 55
2023/2024799 146 78 17 47 80 146 9 20 3 7 72 174
2024/20258.254 88 67 456 137 371 260 610 1.598 2.864 1.126 406 271
2025/20267.648 526 2.664 1.639 1.578 1.052 189 0 0 0 0 0 0
Totale 27.393