Virgin and Child, Enthroned, The Master of Moulins, 1499



Androgen Resistance Syndrome, Testicular Feminization. Includes: Complete Androgen Insensitivity Syndrome (CAIS), Partial Androgen Insensitivity Syndrome (PAIS), Mild Androgen Insensitivity Syndrome (MAIS)]

Bruce Gottlieb, PhD
Lenore K Beitel, PhD
Mark A Trifiro, MD


Disease characteristics.  Androgen insensitivity syndrome (AIS) is typically characterized by evidence of feminization (i.e., undermasculinization) of the external genitalia at birth, abnormal secondary sexual development in puberty, and infertility in individuals with a 46,XY karyotype. AIS represents a spectrum of defects in androgen action and can be subdivided into three broad phenotypes: complete androgen insensitivity syndrome (CAIS), with typical female genitalia; partial androgen insensitivity syndrome (PAIS) with predominantly female, predominantly male, or ambiguous genitalia; and mild androgen insensitivity syndrome (MAIS) with typical male genitalia.

Diagnosis/testing.  The diagnosis of AIS in individuals with a 46,XY karyotype is based on the following clinical findings: undermasculinization of the external genitalia, impaired spermatogenesis with otherwise normal testes, absent or rudimentary müllerian structures, evidence of normal or increased synthesis of testosterone and its normal conversion to dihydrotestosterone, normal or increased luteinizing hormone (LH) production by the pituitary gland, and deficient or defective androgen-binding activity of genital skin fibroblasts. Molecular genetic testing of the AR gene, the only gene known to be associated with androgen insensitivity syndrome, detects mutations in more than 95% of probands with complete androgen insensitivity and is available clinically. Its yield in individuals with partial or mild forms of AIS is unknown.

Management.  To prevent testicular malignancy, treatment of CAIS includes either removal of the testes after puberty when feminization is complete or prepubertal gonadectomy accompanied by estrogen replacement therapy. Additional treatment for CAIS may include vaginal dilatation to avoid dyspareunia. Treatment of PAIS in individuals with predominantly female genitalia is similar to treatment of CAIS but is more likely to include prepubertal gonadectomy to help avoid increasing clitoromegaly at the time of puberty. In individuals with PAIS and ambiguous or predominantly male genitalia, parents and healthcare professionals should assign sex of rearing as early as possible in infancy. Those individuals with PAIS who are raised as males may undergo urologic surgery such as orchiopexy and hypospadias repair. Those individuals with PAIS who are raised as females and who undergo gonadectomy after puberty may need combined estrogen and androgen replacement therapy. Males with MAIS may require mammoplasty for gynecomastia. A trial of androgen pharmacotherapy may help improve virilization in infancy. Systematic disclosure of the diagnosis of AIS in an empathic environment, with both professional and family support, is encouraged. Surveillance includes periodic reevaluation for gynecomastia during puberty in individuals assigned a male sex.

Genetic counseling.  AIS is inherited in an X-linked recessive manner. Affected 46,XY individuals are almost always infertile. Carrier females have a 50% chance of transmitting the AR gene mutation in each pregnancy. Carrier testing is available on a clinical basis once the AR mutation has been identified in an affected family member. Prenatal molecular genetic testing is possible for pregnancies of women who are known carriers of the AR mutation present in the family.


Clinical Diagnosis

Androgen insensitivity syndrome (AIS) can be subdivided into three phenotypes: complete androgen insensitivity syndrome (CAIS), partial androgen insensitivity syndrome (PAIS), and mild androgen insensitivity syndrome (MAIS) (Table 1).

The clinical findings that permit a presumptive diagnosis of AIS include the following:

Table 1. Classification of AIS Phenotypes
External Genitalia (Synonyms)
Female ("testicular feminization")
  • Absent or rudimentary Wolffian duct derivatives
  • Absence or presence of epididymides and/or vas deferens
  • Inguinal or labial testes
  • Short blind-ending vagina
  • Scant or absent pubic and/or axillary hair
Predominantly female ("incomplete AIS")
  • Inguinal or labial testes
  • Clitoromegaly and labial fusion
  • Distinct urethral and vaginal openings or a urogenital sinus
  • Microphallus (<1 cm) with clitoris-like underdeveloped glans; labia majora-like bifid scrotum
  • Descended or undescended testes
  • Perineoscrotal hypospadias or urogenital sinus
  • Gynecomastia (development of breasts) in puberty
Predominantly male
  • Simple (glandular or penile) or severe (perineal) "isolated" hypospadias with a normal-sized penis and descended testes or severe hypospadias with micropenis, bifid scrotum, and either descended or undescended testes
  • Gynecomastia in puberty
Male ("undervirilized male syndrome")
  • Impaired spermatogenesis and/or impaired pubertal virilization
  • Gynecomastia in puberty
Adapted from Sinnecker et al 1997

The diagnosis of CAIS is usually made on clinical findings and laboratory evaluations alone.

The diagnosis of PAIS and MAIS may also require a family history consistent with X-linked inheritance, as laboratory findings useful in establishing the diagnosis may not be present in all affected individuals [Gottlieb, Pinsky et al 1999].


The laboratory findings required for the diagnosis of AIS include the following:

Family history.   The diagnosis of CAIS can be established by clinical and laboratory findings alone; however, the diagnosis of PAIS and MAIS may require a family history of other affected individuals related to each other in a pattern consistent with X-linked recessive inheritance. "Other affected family members" refers to:

Additional findings in affected individuals with no family history of the syndrome that substantiate the apparent diagnosis of PAIS in an individual with the "predominantly male" phenotype (Table 1):

Molecular Genetic Testing

GeneReviews designates a molecular genetic test as clinically available only if the test is listed in the GeneTests Laboratory Directory by at least one US CLIA-certified laboratory or a clinical laboratory outside the US. GeneTests does not independently verify information provided by laboratories and does not warrant any aspect of a laboratory's work; listing in GeneTests does not imply that laboratories are in compliance with accreditation, licensure, or patent laws. Clinicians must communicate directly with the laboratories to verify information. —ED.

Gene.   AR is the only gene known to be associated with androgen insensitivity syndrome.

Molecular genetic testing: Clinical uses

Molecular genetic testing: Clinical method

Table 2 summarizes molecular genetic testing for this syndrome.

Table 2: Molecular Genetic Testing Used in AIS
Test Method
Mutations Detected
Mutation Detection Rate
Test Availability
  • >95% in CAIS
  • <50% in PAIS
  • Unknown in MAIS

Interpretation of test results

Testing Strategy for a Proband

  1. Perform sequence analysis of the AR gene on DNA extracted from a blood sample from the affected individual. Note: It is helpful if a blood sample from the mother is also available for sequence analysis.

  2. If no AR mutation is found, test a biopsy of genital skin for defective androgen binding.

Genetically Related (Allelic) Disorders

Expansion of the polymorphic CAG repeat within the AR gene causes spinobulbar muscular atrophy (SBMA; Kennedy disease).

Other disease conditions associated with alterations to the AR gene [Gottlieb, Beitel, Wu, Elhaji et al 2004] include the following:

In addition, variations in length of CAG repeat in the AR gene have been associated with the following conditions:

Clinical Description

Natural History

Complete androgen insensitivity syndrome (CAIS; testicular feminization; Tfm).   Individuals with CAIS have normal female external genitalia. They typically present either before puberty with masses in the inguinal canal that are subsequently identified as testes or at puberty with primary amenorrhea and sparse to absent pubic or axillary hair. Breasts and female adiposity develop normally. Sexual identity and orientation are unaffected.

CAIS almost always runs true in families; that is, affected XY relatives usually have normal female external genitalia and seldom have any sign of external genital masculinization, such as clitoromegaly or posterior labial fusion [Boehmer et al 2001]. On occasion, Wolffian duct development is observed [Hannema et al 2004].

Partial AIS (PAIS) with predominantly female external genitalia (Table 1) presents in a manner similar to CAIS; however, affected individuals have signs of external genital masculinization including clitoromegaly or posterior labial fusion.

Partial AIS with ambiguous genitalia or predominantly male genitalia (PAIS; Reifenstein syndrome).   Determining the sex of rearing may be an issue for children with frank genital ambiguity. In families with PAIS, phenotypic disparity may warrant opposite sexes-of-rearing [Rodien et al 1996 , Evans et al 1997 , Boehmer et al 2001]. Individuals with PAIS and predominantly male genitalia are raised as males. Gynecomastia at puberty and impaired spermatogenesis occur in all individuals with PAIS. Pubic hair is usually moderate; facial, body, and axillary hair are often reduced.

Mild AIS (MAIS; undervirilized male syndrome).   The external genitalia of affected individuals are unambiguously male. They usually present with gynecomastia at puberty. They may have undermasculinization that includes sparse facial and body hair and small penis. Impotence may be a complaint. Spermatogenesis may or may not be impaired. In some instances, the only observed abnormality appears to be male infertility [Gottlieb et al 2005]; therefore, MAIS could explain some idiopathic male infertility.

MAIS almost always runs true in families.

Genotype-Phenotype Correlations

A correlation does exist among certain missense AR mutations, their functional consequences, and external genital development particularly in the case of CAIS (see the Androgen Receptor Gene Mutations Database).

The correlation is much less clear in PAIS, in which interfamilial phenotypic variation is observed [Brinkmann et al 2000 , Boehmer et al 2001 , Deeb et al 2005].

In addition, over 25 instances in which identical AR mutations produce different AIS phenotypes are listed in the AR database [Gottlieb et al 2001a].

In some instances, the variable expressivity associated with a number of point mutations may be attributed to somatic mosaicism rather than to the modifying influence of "background" genetic factors [Boehmer et al 1997 , Holterhus et al 1997 , Holterhus et al 2001 , Kohler et al 2005]. A detailed discussion of the possible role of somatic mosaicism as a cause of variable expressivity is presented by Gottlieb et al (2001b).

It remains to be determined whether specific missense mutations can be correlated with normal or impaired spermatogenesis and with absence or presence of localized expressions of undervirilization such as gynecomastia, high-pitched voice, and impotence.

In addition to causing different forms of AIS, AR gene mutations have also been associated with cancers and prostate cancer in particular [Gottlieb, Beitel, Wu, Elhaji et al 2004]. The allelic variants associated with cancer, however, appear to result in a gain of function rather than loss of function as seen in AIS.


No definitive data regarding penetrance exist, possibly because of under-ascertainment of affected individuals, particularly phenotypic but infertile males in whom AR molecular genetic testing may not be performed [Gottlieb et al 2005].


No definitive data exist for AIS.


The terms "testicular feminization" and androgen resistance syndrome are outdated and thus rarely used now.


Standard references quote prevalence of 2:100,000 to 5:100,000 for complete AIS (CAIS); based on estimates derived from otherwise healthy phenotypic females found to have histologically normal inguinal or abdominal testes. A survey in the Netherlands over a ten-year period based on reported of AIS concluded that the minimal incidence was 1:99,000 [Boehmer et al 2001].

Partial AIS (PAIS) is at least as common as complete AIS.

The prevalence of mild AIS (MAIS) has not been determined.

Differential Diagnosis

For current information on availability of genetic testing for disorders included in this section, see GeneTests Laboratory Directory. —ED.

Hypospadias that results from an AR gene mutation (and thus is part of the spectrum of PAIS) cannot be distinguished from hypospadias resulting from other (largely undefined) causes by the examination of the genitalia alone.

Several investigators have determined how often hypospadias of varying severity can be attributed to AR gene mutations. In studies using mutation scanning, Sutherland et al (1996) found one AR gene mutation among 40 males with penile hypospadias, while Hiort et al (1994) found no AR mutations in 12 males with coronal (glandular) or penile hypospadias but did find one person with an AR mutation among nine males with severe (penoscrotal, perineal) hypospadias. Batch et al (1992 and Batch et al (1993) found an AR mutation in two brothers with isolated severe (perineal) hypospadias. Allera et al (1995) sequenced the AR gene in nine males with isolated severe hypospadias and found an AR mutation in one. McPhaul et al (1997) found that two of the remaining eight individuals originally studied by Allera et al (1995) had androgen receptors that were transactivation deficient when their genital skin fibroblasts were infected with a recombinant adenovirus carrying an androgen-responsive reporter gene.

MAIS caused by point mutations of the AR gene [Wang et al 1998] may be clinically indistinguishable from MAIS caused by expansion of the polymorphic CAG repeat in the AR gene [Tut et al 1997]. Pathological expansion of this triplet repeat is the cause of spinobulbar muscular atrophy (SBMA), also known as Kennedy disease.

Undermasculinization of the external genitalia and pubertal undervirilization are components of many different syndromes that have no etiologic relation to the AR gene. They may or may not have a pathogenic relation to the androgen receptor protein. The one exception is a contiguous gene deletion syndrome that includes the AR gene locus and results in mental retardation and genital abnormalities [Davies et al 1997].

Findings that suggest the presence of other identifiable diagnoses in 46,XY individuals with predominantly female, ambiguous, or predominantly male genitalia include the following:

Issues to consider in individuals with some, but not all, of the clinical features of AIS:


Evaluations at Initial Diagnosis to Establish the Extent of Disease

Evaluation of androgen receptor binding properties (i.e., binding and dissociation of specific ligands) of genital skin can help predict the likely outcome of hormone treatments (see ambiguous genitalia below).

Treatment of Manifestations

A recent review seeks to establish a consensus statement on management of intersex disorders including AIS [Hughes et al 2006].

CAIS.   A common practice is to remove the testes after puberty when feminization of the affected individual is complete, since feminization occurs partly by testicular estrogen and partly by peripheral conversion of androgen to estrogen.

The rationale for postpubertal gonadectomy is that testicular malignancy, which develops at the usual rate for cryptorchid testes, seldom occurs before puberty. Prepubertal gonadectomy is indicated if inguinal testes are physically or esthetically uncomfortable, and if inguinal herniorrhaphy is necessary. In this event, estrogen replacement therapy is necessary to initiate puberty, maintain feminization, and avoid osteoporosis.

Vaginal length may be sufficiently short to require dilatation in an effort to avoid dyspareunia.

The questions of how much to tell individuals with CAIS, and when to tell them, have not been resolved uniformly. It has become obvious, however, that systematic disclosure in an empathic setting is much preferable to systematic concealment or self-discovery of the diagnosis in an environment devoid of support from family, professionals, and other affected individuals.

PAIS with predominantly female genitalia (incomplete AIS).   The issues are similar to those discussed under CAIS, except prepubertal gonadectomy helps avoid the emotional discomfort of increasing clitoromegaly at the time of puberty.

In instances in which the diagnosis of PAIS is difficult to establish because of the presence of somatic mosaicism, a change of sex assignment can result in concomitant problems [Kohler et al 2005].

PAIS with ambiguous genitalia or predominantly male genitalia.   The assignment of sex in an infant with ambiguous genitalia is a complex process that requires timely assessment by a multidisciplinary team in consultation with the family and should be resolved as early as is feasible. Aside from purely anatomical and surgical considerations, the choice of a male sex-of-rearing demands a therapeutic trial with pharmacologic doses of androgen in an effort to predict potential androgen responsiveness at puberty. Furthermore, appreciable phallic growth in response to administered androgen facilitates reconstructive surgery.

In instances in which maximum information is being gathered on an infant with no family history of AIS before sex is assigned, sequence analysis of the AR gene may be considered; however, the low probability of detecting an AR mutation in individuals with the PAIS phenotype and the poor positive predictive value of any given mutation regarding AIS phenotype need to be considered when making decisions about sex assignment. The status of the androgen receptor is useful in deciding if hormone treatment could be effective and has sometimes helped in decisions about sex assignment.

Based on a small number of individuals, the role of long-term androgen pharmacotherapy in individuals with PAIS who are raised as males remains unclear. There is reason to believe that response to androgen treatment may be substantial in individuals with certain missense mutations in the DNA-binding domain of the androgen receptor [Weidemann et al 1998].

Gynecomastia that develops in puberty eventually requires reduction mammoplasty.

Those individuals with PAIS who are raised as females and who have gonadectomy after puberty may need combined estrogen and androgen replacement therapy, the latter to maintain libido.

MAIS.   Men with MAIS often require reduction mammoplasty for treatment of gynecomastia.

A trial of androgen pharmacotherapy is recommended to attempt to improve virilization [Loy & Yong 2001].

Prevention of Primary Manifestations

The efficacy of androgen therapy in preventing such primary manifestations such as gynecomastia is not clear.


Therapies Under Investigation

Search for access to information on clinical studies for a wide range of diseases and conditions.

Genetic Counseling

Genetic counseling is the process of providing individuals and families with information on the nature, inheritance, and implications of genetic disorders to help them make informed medical and personal decisions. The following section deals with genetic risk assessment and the use of family history and genetic testing to clarify genetic status for family members. This section is not meant to address all personal, cultural, or ethical issues that individuals may face or to substitute for consultation with a genetics professional. —ED.

Mode of Inheritance

AIS is inherited in an X-linked recessive manner.

Risk to Family Members

Parents of a 46,XY proband

In 22 of 30 simplex families with CAIS or PAIS, the mother was proven to be heterozygous for an AR mutation. Of the eight individuals with de novo mutations, three appeared to have somatic mosaicism [Hiort et al 1998].

Sibs of a proband

Offspring of a proband.  Individuals who have a 46,XY karyotype and have any of the subtypes of AIS (i.e., CAIS, PAIS, MAIS) are almost always infertile.

Offspring of a carrier female

Carrier Detection

Female carriers may be identified through a combination of the following:

Related Genetic Counseling Issues

Gender assignment.  The issue of sex assignment in infancy when the child is being evaluated for ambiguous genitalia is paramount. It requires delicate decision making by parents and healthcare personnel and should be resolved as early as is feasible.

Disclosure of diagnosis.  The questions of how much to tell individuals with AIS, and when to tell them, have not been resolved uniformly. It has become obvious, however, that systematic disclosure in an empathic setting is much preferable to systematic concealment or self-discovery of the diagnosis in an environment devoid of support from family, professionals, and other affected individuals [Conn et al 2005].

Family planning.  The optimal time for determination of genetic risk, clarification of carrier status, and discussion of the availability of prenatal testing is before pregnancy.

DNA banking.  DNA banking is the storage of DNA (typically extracted from white blood cells) for possible future use. Because it is likely that testing methodology and our understanding of genes, mutations, and diseases will improve in the future, consideration should be given to banking DNA of affected individuals. DNA banking is particularly relevant in situations in which the sensitivity of currently available testing is less than 100%. See DNA Banking for a list of laboratories offering this service.

Prenatal Testing

Prenatal testing is possible for pregnancies of women who are carriers if an AR mutation has been identified in a family member. The usual procedure is to perform chromosome analysis on fetal cells obtained by chorionic villus sampling (CVS) at about ten to 12 weeks' gestation or by amniocentesis usually performed at about 15-18 weeks' gestation. If the karyotype is 46,XY, DNA from fetal cells can be analyzed for the known AIS-causing mutation.

Note: Gestational age is expressed as menstrual weeks calculated either from the first day of the last normal menstrual period or by ultrasound measurements.

Requests for prenatal testing for conditions such as androgen insensitivity syndrome that do not affect intellect and have some treatment available are not common. Differences in perspective may exist among medical professionals and in families regarding the use of prenatal testing, particularly if the testing is being considered for the purpose of pregnancy termination rather than early diagnosis. Although most centers would consider decisions about prenatal testing to be the choice of the parents, careful discussion of these issues is appropriate.

Preimplantation genetic diagnosis (PGD) may be available for families in which the disease-causing mutation has been identified in an affected family member in a research or clinical laboratory. For laboratories offering PGD, see Testing .

Molecular Genetics

Information in the Molecular Genetics tables may differ from that in the text; tables may contain more recent information. —ED.


Molecular Genetics of Androgen Insensitivity Syndrome
Gene Symbol
Chromosomal Locus
Protein Name
Androgen receptor
Data are compiled from the following standard references: Gene symbol from HUGO; chromosomal locus, locus name, critical region, complementation group from OMIM; protein name from Swiss-Prot.




OMIM Entries for Androgen Insensitivity Syndrome




Genomic Databases for Androgen Insensitivity Syndrome
Gene Symbol
Locus Specific
Entrez Gene
For a description of the genomic databases listed, click here.



Normal allelic variants: A polymorphic polyglutamine (CAG)n CAA tract with n=10-33 CAA repeats starts at nt 172. A polymorphic polyglycine (GGT)3 GGG(GGT)2-4 GGC(n) tract with n=4-25 starts at ~nt 1350 [Lumbroso et al 1997]. There is a silent G>A transition at the third position of codon 211 in exon 1 (according to the numerology of Lubahn et al 1988 and Lubahn et al 1989); the same codon is numbered 207 in Chang et al (1988); its nt number is 709 in Hiort et al (1994), 995 in Batch et al (1992), and 1152 in Chang et al (1988). A HindIII RFLP is detectable by a 0.7-kb fragment of the AR cDNA that extends from near the 5' border of exon 2 to about the middle of exon 7. Two polyA-addition signals occur about 220 nt apart. Coincidentally, two major species of AR mRNA (10-11 kb; ~7 kb) result from alternative splicing of a very long 3'-UTR. Two forms of the androgen receptor protein (A,B) exist. Their size difference suggests that the short form (B) represents translation initiation at the internal Met-188 residue. The issue of different forms of androgen receptor is somewhat confusing as a number of mutations that delete either whole exons or a substantial part of an exon, or affect splice sites, have been identified. In almost all cases when an attempt has been made to test these variant forms of androgen receptor protein, they have been found to be nonfunctional.

Pathologic allelic variants: Over 300 point mutations in the AR gene have been found to cause AIS [Gottlieb, Beitel, Wu, Trifiro et al 2004 ; see Androgen Receptor Gene Mutations Database]. The great majority are missense mutations that impair DNA or androgen binding and that cause CAIS or PAIS; a small number have been proven to cause MAIS. Point mutations in exon 1 are relatively infrequent. The great majority of them are either nonsense mutations or small deletions or insertions that frameshift to nonsense; hence, they almost always cause CAIS. Thus, PAIS is seldom the result of exon 1 mutations [Choong et al 1996]. A small number of major AR deletions and intronic alterations have been described.

Expansion of the polyglutamine tract to more than 40 CAG repeats causes Kennedy disease (spinobulbar muscular atrophy) with some symptoms of MAIS. (The foregoing information on disease-causing variants is found in the Androgen Receptor Gene Mutations Database [Gottlieb, Beitel, Wu, Trifiro 2004].)

Note: These conditions are not related to SBMA, as in SBMA the condition is caused by having more than 35 CAG repeats. These data involve small increases and decreases in CAG repeat length as a possible risk factor.


Normal gene product: Androgen receptor. The entire N-terminal portion of the androgen receptor (~537 aa) is encoded by exon 1, the DNA-binding domain (aa 557-616) by exons 2 and 3, the bipartite nuclear localization signal (aa 617-636) by exons 3 and 4, and the androgen-binding domain (aa 645-919) by exons 4-8. The androgen receptor is a well-defined transcriptional regulatory factor. Once activated by binding to androgen, it collaborates with other coregulatory proteins (some involve DNA binding, others do not) to achieve vectorial control over the rate of transcription of an androgen target gene that is under the influence of a nearby promoter. A large number of AR-associated proteins have now been identified [Heinlein & Chang 2002 ; Gottlieb, Beitel, Wu, Trifiro 2004]; for latest listing see the Androgen Receptor Gene Mutations Database.

Abnormal gene product: Nearly all point mutations in the androgen-binding domain impair androgen binding and, therefore, transactivation by the AR. Some decrease only the apparent equilibrium affinity constant; some increase only the non-equilibrium dissociation rate; others do both, either with all androgens or selectively with certain androgens. Still others are thermolabile or degrade excessively in the presence of androgen. Point mutations in the zinc fingers or alpha-helical portions of the DNA-binding domain impair binding to a sequence of regulatory nucleotides known as an androgen response element. Such binding is essential for the androgen receptor to exert transcriptional regulatory control over most of its target genes. The polyglutamine-expanded androgen receptor causes the spinobulbar muscular atrophy component of Kennedy disease by a gain of function that is selectively motor neuronotoxic. The precise mechanism of its neuronotoxicity has not been determined [Abdullah et al 1998 , Beitel et al 2005]. Further, the MAIS component of Kennedy disease is caused by decreased transcriptional regulatory activity of the polyglutamine-expanded androgen receptor or its decreased synthesis [Beitel et al 2005].

Recently, new insight into the relationship between mutations and their possible effects on the functionality of the actual androgen receptor protein have been obtained by creating molecular models of the receptor, using molecular dynamic modeling based on the X-ray crystal structure [Matias et al 2000]. This technique has produced dynamic models that have successfully simulated the effects of particular mutations on the ligand-binding properties of mutant androgen receptors [Elhaji et al 2004 , Wu et al 2004 , Elhaji et al 2006]. It is hoped that this technique may eventually lead to treatments that return to normal the ligand-binding capacity of mutant androgen receptors.



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Author Information

Bruce Gottlieb, PhD
Cell Genetics
Lady Davis Institute for Medical Research

Lenore K Beitel, PhD
Department of Medicine
Sir Mortimer B Davis Jewish General Hospital
McGill University

Mark A Trifiro, MD
Department of Medicine
Sir Mortimer B Davis Jewish General Hospital
McGill University

Author History

Lenore K Beitel, PhD (2004-present)
Bruce Gottlieb, PhD (2004-present)
Leonard Pinsky, MD, FACMG; McGill University (1999-2004)
Mark A Trifiro, MD (1999-present)

Revision History


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