Search filters

List of works by Benoît Malpaux

5-hydroxyoxindole, an indole metabolite, is present at high concentrations in brain

scientific article published in 2007

A role for short days in sustaining seasonal reproductive activity in the ewe.

scientific article

Accelerated lambing achieved by a photoperiod regimen consisting of alternating 4-month sequences of long and short days applied year-round

scientific article published on 2 July 2010

Active immunization against melatonin in Ile-de-France ewes and photoperiodic control of prolactin secretion and ovulatory activity.

scientific article published in November 1994

Amplitude of the plasma melatonin nycthemeral rhythms is not associated with the dates of onset and offset of the seasonal ovulatory activity in the Ile-de-France ewe.

scientific article published in March 2003

Annual ovarian cycles in an aseasonal breeder, the springbok (Antidorcas marsupialis).

scientific article published on April 2001

Artificial long days and daily contact with bucks induce ovarian but not oestrous activity during the non-breeding season in Mediterranean goat females

scientific article published on 17 March 2011

Artificial long days in addition to exogenous melatonin and daily contact with bucks stimulate the ovarian and oestrous activity in Mediterranean goat females.

scientific article published in August 2011

Association between expression of reproductive seasonality and alleles of the gene for Mel(1a) receptor in the ewe

scientific article published on 01 April 2000

Biology of mammalian photoperiodism and the critical role of the pineal gland and melatonin

scientific article

Blockade of tyrosine hydroxylase activity in the median eminence partially reverses the long day-induced inhibition of pulsatile LH secretion in the ewe.

scientific article published in July 1998

Body condition is associated with a shorter breeding season and reduced ovulation rate in subtropical goats.

scientific article published on 12 September 2008

Cellular lining of the sheep pineal recess studied by light-, transmission-, and scanning electron microscopy: morphologic indications for a direct secretion of melatonin from the pineal gland to the cerebrospinal fluid

scientific article

Changes in the 5-HT2A receptor system in the pre-mammillary hypothalamus of the ewe are related to regulation of LH pulsatile secretion by an endogenous circannual rhythm

scientific article

Characteristics of the melatonin signal that provide the photoperiodic code for timing seasonal reproduction in the ewe.

scientific article published on January 1988

Characteristics of the plasma melatonin rhythm are not modified by steroids during the estrous cycle in IIe-de-France ewes

scientific article published in September 1996

Characterization of the short day-induced decrease in median eminence tyrosine hydroxylase activity in the ewe: temporal relationship to the changes in luteinizing hormone and prolactin secretion and short day-like effect of melatonin

scientific article published in January 1997

Comparison of immune parameters of sheep with naturally high or low plasma concentrations of melatonin

scientific article

Concentrations of estradiol in ewe cerebrospinal fluid are modulated by photoperiod through pineal-dependent mechanisms

scientific article published in November 2006

Continuous light after 2 months of long days stimulates ram testis volume and increases fertility in spring

scientific article published on 28 November 2016

Control of pulsatile LH secretion during seasonal anoestrus in the ewe.

scientific article published in January 1998

Control of the circannual rhythm of reproduction by melatonin in the ewe.

scientific article published on January 1997

Correction: GPR50 is the mammalian ortholog of Mel1c: Evidence of rapid evolution in mammals

scientific article published in 2012

Daily and light-at-night induced variations of circulating 5-methoxytryptophol (5-ML) in ewes with respectively high and low nocturnal melatonin secretion

scientific article published on 01 November 1999

Description of the constitutive activity of cloned human melatonin receptors hMT(1) and hMT(2) and discovery of inverse agonists

scientific article

Development of an in vivo adeno-associated virus-mediated siRNA approach to knockdown tyrosine hydroxylase in the lateral retrochiasmatic area of the ovine brain

scientific article published on 6 January 2008

Differences in reproductive pattern between wild and domestic rams are not associated with inter-specific annual variations in plasma prolactin and melatonin concentrations.

scientific article published in May 2005

Does a Short Loop Feedback Mechanism for the Control of Luteinizing Hormone Secretion Exist in the Ewe?*

scientific article published on October 1, 1997

Dopaminergic control of LH secretion by the A15 nucleus in anoestrous ewes.

scientific article published on January 1995

Effect of hypothalamic infusion of a dopamine D1 receptor antagonist on prolactin secretion in the ewe

scientific article published on 01 October 1995

Effect of melatonin implants on sexual activity in Mediterranean goat females without separation from males.

scientific article published on 24 July 2009

Effect of oestradiol and photoperiod on TH mRNA concentrations in A15 and A12 dopamine cell groups in the ewe.

scientific article published in January 1998

Effects of photoperiod on kisspeptin neuronal populations of the ewe diencephalon in connection with reproductive function

scientific article published on 4 December 2009

Endogenous circannual cycles of ovarian activity and changes in prolactin and melatonin secretion in wild and domestic female sheep maintained under a long-day photoperiod.

scientific article published on 21 November 2007

Endogenous circannual rhythm in luteinizing hormone secretion: insight from signal analysis coupled with mathematical modelling

scientific article published on December 2009

Enhancement of the male effect on reproductive performance in female Mediterranean goats with long day and/or melatonin treatment.

scientific article published on 10 November 2011

Estradiol acts locally within the retrochiasmatic area to inhibit pulsatile luteinizing-hormone release in the female sheep during anestrus

scientific article published in June 1997

Estradiol increases multiunit electrical activity in the A15 area of ewes exposed to inhibitory photoperiods

scientific article published on 01 November 2000

Estradiol increases tyrosine hydroxylase activity of the A15 nucleus dopaminergic neurons during long days in the ewe.

scientific article published in May 1994

Evidence for an annual reproductive rhythm independent of food availability in male Creole goats in subtropical northern Mexico

scientific article

Evidence for dopamine D1 receptor-mediated stimulation of prolactin secretion in ewes under long daylength

scientific article published on 01 January 1995

Evidence that melatonin acts in the premammillary hypothalamic area to control reproduction in the ewe: presence of binding sites and stimulation of luteinizing hormone secretion by in situ microimplant delivery

scientific article published in April 1998

Evidence that melatonin binding sites in the pars tuberalis do not mediate the photoperiodic actions of melatonin on LH and prolactin secretion in ewes

scientific article published on 01 August 1994

Evidence that the choroids plexus in female sheep express P-glycoprotein.

scientific article published in August 2008

Evidence that the photoperiod controls the annual changes in testosterone secretion, testicular and body weight in subtropical male goats

scientific article

Expression of seasonality in Merinos d'Arles ewes of different genotypes at the MT1 melatonin receptor gene

scientific article published on 01 March 2011

First evidence of melatonin receptors distribution in the suprachiasmatic nucleus of tree shrew brain

scientific article

Four hours of daily contact with sexually active males is sufficient to induce fertile ovulation in anestrous goats

scientific article published on 10 May 2010

Functional characterization of polymorphic variants for ovine MT1 melatonin receptors: possible implication for seasonal reproduction in sheep

scientific article published on 14 October 2010

GPR50 is the mammalian ortholog of Mel1c: evidence of rapid evolution in mammals

scientific article published in 2008

Genetic parameters of spontaneous spring ovulatory activity in Mérinos d'Arles sheep

Genetic variability in melatonin concentrations in ewes originates in its synthesis, not in its catabolism.

scientific article published in June 1998

Genetic variability in melatonin secretion originates in the number of pinealocytes in sheep

scientific article published in February 2002

Genetic variability in plasma melatonin in sheep is due to pineal weight, not to variations in enzyme activities

scientific article published in November 1999

Genetic variability of the pattern of night melatonin blood levels in relation to coat changes development in rabbits

scientific article published on March 2004

High melatonin concentrations in third ventricular cerebrospinal fluid are not due to Galen vein blood recirculating through the choroid plexus

scientific article

How does melatonin code for day length in the ewe: duration of nocturnal melatonin release or coincidence of melatonin with a light-entrained sensitive period?

scientific article published on August 1988

Identification of melatonin-regulated genes in the ovine pituitary pars tuberalis, a target site for seasonal hormone control.

scientific article published on 31 July 2008

Implication of D2-like dopaminergic receptors in the median eminence during the establishment of long-day inhibition of LH secretion in the ewe

scientific article published on 01 November 1999

Implications of recent advances in reproductive physiology for reproductive management of goats.

scientific article

Importance of changing photoperiod and melatonin secretory pattern in determining the length of the breeding season in the Suffolk ewe

scientific article published on 01 May 1988

Importance of pituitary and neural actions of estradiol in induction of the luteinizing hormone surge in the ewe.

scientific article published in September 1988

Induction of sexual activity in lactating anovulatory female goats using male goats treated only with artificially long days

scientific article published in November 2002

Induction of sexual activity of male creole goats in subtropical northern Mexico using long days and melatonin

scientific article

Initiation of the oestradiol-induced inhibition of pulsatile LH secretion in ewes under long days: comparison of peripheral versus central treatment and neurochemical correlates

scientific article published in October 1996

Length of postpartum anestrus in goats in subtropical Mexico: effect of season of parturition and duration of nursing

scientific article published on 01 April 1998

Luteinizing hormone (LH)-releasing hormone in third ventricular cerebrospinal fluid of the ewe: correlation with LH pulses and the LH surge

scientific article published on 01 August 1995

MTNR1A melatonin receptors in the ovine premammillary hypothalamus: day-night variation in the expression of the transcripts

scientific article published on 6 October 2004

Maintaining contact with bucks does not induce refractoriness to the male effect in seasonally anestrous female goats

scientific article published on 09 August 2005

Male effect in seasonally anovulatory lactating goats depends on the presence of sexually active bucks, but not estrous females.

scientific article

Male reproductive condition is the limiting factor of efficiency in the male effect during seasonal anestrus in female goats

scientific article published on 01 May 2000

Male sexual behavior contributes to the maintenance of high LH pulsatility in anestrous female goats.

scientific article published on 11 August 2009

Management of photoperiod to control caprine reproduction in the subtropics

scientific article

Median eminence dopaminergic activation is critical for the early long-day inhibition of luteinizing hormone secretion in the ewe.

scientific article published in December 1998

Melatonin activates brain dopaminergic systems in the eel with an inhibitory impact on reproductive function.

scientific article published on 28 April 2008

Melatonin and seasonal reproduction: understanding the neuroendocrine mechanisms using the sheep as a model

scientific article published on January 1, 2002

Melatonin and the seasonal control of reproduction

scientific article

Melatonin concentrations in the two jugular veins, and relationship with the seasonal reproductive activity in goats.

scientific article published on 8 May 2010

Melatonin enters the cerebrospinal fluid through the pineal recess

scientific article published in January 2002

Melatonin from cerebrospinal fluid but not from blood reaches sheep cerebral tissues under physiological conditions

scientific article published in March 2014

Melatonin secretion during postnatal development in wild and domestic female lambs

scientific article published on 16 December 2009

Melatonin secretion in a strictly subterranean mammal, the Damaraland mole-rat (Cryptomys damarensis)

scientific article (publication date: November 2003)

Melatonin secretion in the Mashona mole-rat, Cryptomys darlingi--influence of light on rhythmicity

scientific article published in January 2005

Melatonin synthesis: 14-3-3-dependent activation and inhibition of arylalkylamine N-acetyltransferase mediated by phosphoserine-205.

scientific article

Molecular pharmacology of the mouse melatonin receptors MT₁ and MT₂.

scientific article

Molecular pharmacology of the ovine melatonin receptor: comparison with recombinant human MT1 and MT2 receptors

scientific article published in February 2004

Multiple exposures to familiar conspecific withdrawal is a novel robust stress paradigm in ewes

scientific article published on 16 August 2011

Neuroanatomical organization of gonadotropin-releasing hormone neurons during the oestrus cycle in the ewe

scientific article

Neuroendocrine and genetic control of seasonal reproduction in sheep and goats

scientific article

Neuroendocrine interactions and seasonality

scientific article

New selective ligands of human cloned melatonin MT1 and MT2 receptors.

scientific article published on 23 May 2003

Nocturnal melatonin concentrations vary dramatically between the two jugular veins in most individual sheep maintained under mimicked or natural photoperiod.

scientific article published on 21 August 2009

Nutritional supplementation improves ovulation and pregnancy rates in female goats managed under natural grazing conditions and exposed to the male effect.

scientific article published on 20 January 2009

Oestradiol increases the extracellular levels of amine metabolites in the ewe hypothalamus during anoestrus: a microdialysis study

scientific article published on December 1, 1992

Origin of cerebrospinal fluid melatonin and possible function in the integration of photoperiod.

scientific article published on January 2003

Ovulatory activity and plasma prolactin concentrations in wild and domestic ewes exposed to artificial photoperiods between the winter and summer solstices

scientific article published on 4 April 2012

Ovulatory activity of female goats adapted to the subtropics is responsive to photoperiod

scientific article

Passage of progesterone into the brain changes with photoperiod in the ewe.

scientific article published in August 2003

Periparturient rise in fecal egg counts associated with prolactin concentration increase in French Alpine dairy goats

scientific article published on 01 October 1998

Photoperiodic modulation of monoamines and amino-acids involved in the control of prolactin and LH secretion in the ewe: evidence for a regulation of tyrosine hydroxylase activity

scientific article published on 01 June 1996

Photoperiodic requirements for timing onset and duration of the breeding season of the ewe: synchronization of an endogenous rhythm of reproduction

scientific article published on 01 April 1990

Photoperiodic variations of the polysialylated form of neural cell adhesion molecule within the hypothalamus and related reproductive output in the ewe.

scientific article published on 5 January 2013

Positive correlation between the body weight of anestrous goats and their response to the male effect with sexually active bucks.

scientific article published on November 2006

Rapid effects of melatonin on hormonal and behavioral stressful responses in ewes

article

Refractoriness to short and long days determines the end and onset of the breeding season in subtropical goats

scientific article

Regulation of luteinizing hormone-releasing hormone (LHRH) secretion by melatonin in the ewe. I. Simultaneous delayed increase in LHRH and luteinizing hormone pulsatile secretion

scientific article published on May 1995

Regulation of luteinizing hormone-releasing hormone (LHRH) secretion by melatonin in the ewe. II. Changes in N-methyl-D,L-aspartic acid-induced LHRH release during the stimulation of luteinizing hormone secretion by melatonin

scientific article published on 01 May 1995

Regulation of the onset of the breeding season of the ewe: importance of long days and of an endogenous reproductive rhythm

scientific article

Relationship between MT1 melatonin receptor gene polymorphism and seasonal physiological responses in Ile-de-France ewes.

scientific article

Relationship between polysialylated neural cell adhesion molecule and beta-endorphin- or gonadotropin releasing hormone-containing neurons during activation of the gonadotrope axis in short daylength in the ewe.

scientific article published on 23 May 2010

Reproductive refractoriness of the ewe to inductive photoperiod is not caused by inappropriate secretion of melatonin.

scientific article

Reproductive refractoriness of the ewe to inhibitory photoperiod is not caused by alteration of the circadian secretion of melatonin

scientific article published on September 1988

Reproductive seasonality in female goats adapted to a subtropical environment persists independently of food availability

scientific article

Seasonal changes in cell proliferation in the adult sheep brain and pars tuberalis

scientific article

Seasonal ovulatory activity and plasma prolactin concentrations in the Spanish ibex(Capra pyrenaica hispanica) maintained in captivity

scientific article published on May 1, 2003

Seasonal regulation of reproductive activity in sheep: modulation of access of sex steroids to the brain

scientific article published in December 2003

Seasonality of reproduction and production in farm fishes, birds and mammals

scientific article published on March 2007

Seasonality of reproduction in mammals: intimate regulatory mechanisms and practical implications

scientific article published on July 2008

Sheep as a mammalian model of genetic variability in melatonin

scientific article published on January 1, 2002

Short-day effects of melatonin on luteinizing hormone secretion in the ewe: evidence for central sites of action in the mediobasal hypothalamus.

scientific article

Simultaneous measurement of gonadotropin-releasing hormone in the third ventricular cerebrospinal fluid and hypophyseal portal blood of the ewe.

scientific article published in November 1997

Social cues can play a role in timing onset of the breeding season of the ewe

scientific article published on 01 November 1989

Stimulation of estrous behavior in grazing female goats by continuous or discontinuous exposure to males.

scientific article published on 3 November 2006

Synchronization of the circannual reproductive rhythm of the ewe by discrete photoperiodic signals

scientific article published on July 1991

Termination of the breeding season in the Suffolk ewe: involvement of an endogenous rhythm of reproduction

scientific article published on 01 September 1988

The GnRH increase following progesterone withdrawal is associated with an increased glutamatergic tone in the preoptic area of the ovariectomized ewe.

scientific article published in May 1998

The Ovine Pars Tuberalis does not Appear to be Targeted by Melatonin to Modulate Luteinizing Hormone Secretion, but may be Important for Prolactin Release

scientific article published on March 1, 1995

The PDZ protein mupp1 promotes Gi coupling and signaling of the Mt1 melatonin receptor

scientific article published on 31 March 2008

The characteristics of the melatonin secretory rhythm are not modified by the stage of pregnancy in ewes

scientific article published on 01 January 1997

The chronobiology of the Natal mole-rat, Cryptomys hottentotus natalensis

scientific article

The effect of an intracerebroventricular injection of metformin or AICAR on the plasma concentrations of melatonin in the ewe: potential involvement of AMPK?

scientific article

The effect of nutrition on the neural mechanisms potentially involved in melatonin-stimulated LH secretion in female Mediterranean goats.

scientific article published on 8 September 2011

The end of a myth: cloning and characterization of the ovine melatonin MT(2) receptor.

scientific article published on 08 October 2009

The endogenous rhythm of plasma melatonin and its regulation by light in the highveld mole-rat (Cryptomys hottentotus pretoriae): a microphthalmic, seasonally breeding rodent

scientific article published in October 2004

The interaction between photoperiod and nutrition and its effects on seasonal rhythms of reproduction in the ewe.

scientific article published on 29 February 2012

The large variability in melatonin blood levels in ewes is under strong genetic influence

scientific article published in April 1998

The luteal outcome of anoestrus ewes induced to ovulate by the male effect is not related to the population of ovarian antral follicles before male exposure

scientific article published on 27 November 2012

The ovulation rate in anoestrous female goats managed under grazing conditions and exposed to the male effect is increased by nutritional supplementation.

scientific article published on 22 November 2007

The response of luteinizing hormone secretion to photoperiod is modified by the level of nutrition in female Mediterranean goats.

scientific article published on 5 May 2011

The role of nutrition in the regulation of luteinizing hormone secretion by the opioidergic, dopaminergic, and serotonergic systems in female Mediterranean goats.

scientific article published on 27 October 2010

Turnover rate of cerebrospinal fluid in female sheep: changes related to different light-dark cycles

scientific article published on 04 August 2009

Variability of plasma melatonin level in pony mares (Equus caballus), comparison with the hybrid: mules and with jennies (Equus asinus)

scientific article published on 01 November 2006

[Can melatonin be used in out-of-season reproduction in domestic mammals?]

scientific article published on 01 October 1993

[Melatonin and reproduction in domestic animals]

scientific article published on 01 January 1998

[Melatonin and reproduction in domestic farm animals]

scientific article published on 01 September 1998