GH, IGF-I and GH receptors mRNA expression in response to growth impairment following a food deprivation period in individually housed cichlid fish Cichlasoma dimerus
被引:15
作者:
Horacio Delgadin, Tomas
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机构:
FCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
IBBEA CONICET UBA, Buenos Aires, DF, ArgentinaFCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
Horacio Delgadin, Tomas
[1
,2
]
Perez Sirkin, Daniela Irina
论文数: 0引用数: 0
h-index: 0
机构:
FCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
IBBEA CONICET UBA, Buenos Aires, DF, ArgentinaFCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
Perez Sirkin, Daniela Irina
[1
,2
]
Paula Di Yorio, Maria
论文数: 0引用数: 0
h-index: 0
机构:
FCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
IBBEA CONICET UBA, Buenos Aires, DF, ArgentinaFCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
Paula Di Yorio, Maria
[1
,2
]
Eda Arranz, Silvia
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机构:
Consejo Nacl Invest Cient & Tecn, Fac Ciencias Bioquim & Farmaceut, Area Biol, Inst Biol Mol & Celular Rosario IBR CONICET, RA-2000 Rosario, Santa Fe, Argentina
Univ Nacl Rosario, RA-2000 Rosario, Santa Fe, ArgentinaFCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
Eda Arranz, Silvia
[3
,4
]
Gabriela Vissio, Paula
论文数: 0引用数: 0
h-index: 0
机构:
FCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
IBBEA CONICET UBA, Buenos Aires, DF, ArgentinaFCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
Gabriela Vissio, Paula
[1
,2
]
机构:
[1] FCEN UBA, DBBE, Lab Neuroendocrinol Crecimiento & Reprod, Buenos Aires, DF, Argentina
[2] IBBEA CONICET UBA, Buenos Aires, DF, Argentina
[3] Consejo Nacl Invest Cient & Tecn, Fac Ciencias Bioquim & Farmaceut, Area Biol, Inst Biol Mol & Celular Rosario IBR CONICET, RA-2000 Rosario, Santa Fe, Argentina
[4] Univ Nacl Rosario, RA-2000 Rosario, Santa Fe, Argentina
Cichlasoma dimerus is a social cichlid fish capable of growing at high rates under laboratory conditions, but knowledge on somatic growth regulation is still unclear. Growth hormone (GH)/insulin-like growth factor I (IGF-I) axis is the key regulator of somatic growth in vertebrates. Two types of growth hormone receptors have been described in teleost fish, named GH receptor type 1 (GHR1) and type 2 (GHR2). In addition, isoforms of these receptors lacking part of the intracellular region have been described. The aim of this study was to evaluate the somatic growth, liver histology and changes in the GH/IGF-I axis after 4 weeks of food deprivation in C. dimerus. Four-week fasted fish showed reductions in specific growth rates in body weight (p < 0.001) and standard length (p < 0.001). Additionally, the hepatosomatic index (p < 0.001) and hepatocyte area (p < 0.001) decreased in fasted fish, while no changes in glucose levels were detected in plasma. The starvation protocol failed to induce changes in GH mRNA levels in the pituitary and IGF-I mRNA levels in liver. In contrast, IGF-I mRNA levels in muscle decreased in fasted fish (p = 0.002). On the other hand, GHR2 (detected with primer sets designed over the extracellular and intracellular region) was upregulated by starvation both in liver and muscle (p < 0.05), while GHR1 remained unchanged. These results show that a fasting period reduced somatic growth both in length and body weight concomitantly with alterations on liver and muscle GHR2 and muscle IGF-I mRNA expression.
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Alonso, Felipe
Canepa, Maximiliano
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Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Canepa, Maximiliano
Moreira, Renata Guimaraes
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机构:
Univ Sao Paulo, Inst Biociencias, Dept Fisiol, BR-05508900 Sao Paulo, BrazilUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Moreira, Renata Guimaraes
Pandolfi, Matas
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Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Canepa, Maximiliano M.
Zhu, Yong
论文数: 0引用数: 0
h-index: 0
机构:
E Carolina Univ, Dept Biol, Greenville, NC 27858 USAUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Zhu, Yong
Fossati, Mariana
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h-index: 0
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Fossati, Mariana
Stiller, John W.
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h-index: 0
机构:
E Carolina Univ, Dept Biol, Greenville, NC 27858 USAUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Stiller, John W.
Vissio, Paula G.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
机构:
Univ Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USAUniv Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USA
Edens, A
Talamantes, F
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h-index: 0
机构:
Univ Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USAUniv Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USA
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Alonso, Felipe
Canepa, Maximiliano
论文数: 0引用数: 0
h-index: 0
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Canepa, Maximiliano
Moreira, Renata Guimaraes
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Inst Biociencias, Dept Fisiol, BR-05508900 Sao Paulo, BrazilUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Moreira, Renata Guimaraes
Pandolfi, Matas
论文数: 0引用数: 0
h-index: 0
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Canepa, Maximiliano M.
Zhu, Yong
论文数: 0引用数: 0
h-index: 0
机构:
E Carolina Univ, Dept Biol, Greenville, NC 27858 USAUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Zhu, Yong
Fossati, Mariana
论文数: 0引用数: 0
h-index: 0
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Fossati, Mariana
Stiller, John W.
论文数: 0引用数: 0
h-index: 0
机构:
E Carolina Univ, Dept Biol, Greenville, NC 27858 USAUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Stiller, John W.
Vissio, Paula G.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, ArgentinaUniv Buenos Aires, Fac Ciencias Exactas & Nat, Dept Biodiversidad & Biol Expt, Buenos Aires, DF, Argentina
机构:
Univ Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USAUniv Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USA
Edens, A
Talamantes, F
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USAUniv Calif Santa Cruz, Dept Biol, Sinsheimer Labs, Santa Cruz, CA 95064 USA