Immunodeficiency, and Micropenis

Severe combined immunodeficiency (SCID) due to DNA-PKcs deficiency is an extremely rare type of SCID (see this term) characterized by the classical signs of SCID (severe and recurrent infections, diarrhea, failure to thrive), absence of T and B lymphocytes, and cell sensitivity to ionizing radiation.

SEVERE COMBINED IMMUNODEFICIENCY DUE TO DNA-PKCS DEFICIENCY Is also known as scid due to dna-pkcs deficiency

• Intellectual disability
• Seizures
• Hearing impairment
• Microcephaly
• Growth delay

SOURCES: ORPHANET OMIM MENDELIAN

NPHS14 is an autosomal recessive syndromic form of steroid-resistant nephrotic syndrome with multisystemic manifestations. Most affected individuals present in infancy or early childhood with progressive renal dysfunction associated with focal segmental glomerulosclerosis (FSGS) and resulting in end-stage renal disease within a few years. Other infants present with primary adrenal insufficiency. Some patients present in utero with fetal hydrops and fetal demise. Additional features of the disorder can include ichthyosis, acanthosis, adrenal insufficiency, immunodeficiency, and neurologic defects (summary by Prasad et al., 2017 and Lovric et al., 2017).For a discussion of genetic heterogeneity of nephrotic syndrome and FSGS, see NPHS1 (OMIM ).

FAMILIAL STEROID-RESISTANT NEPHROTIC SYNDROME WITH ADRENAL INSUFFICIENCY Is also known as primary adrenal insufficiency-steroid-resistant nephrotic syndrome due to sgpl1 deficiency

• Seizures
• Global developmental delay
• Generalized hypotonia
• Hearing impairment
• Microcephaly

SOURCES: ORPHANET OMIM MENDELIAN

ALG12-CDG is a form of congenital disorders of N-linked glycosylation characterized by facial dysmorphism (prominent forehead, large ears, thin upper lip), generalized hypotonia, feeding difficulties, moderate to severe developmental delay, progressive microcephaly, frequent upper respiratory tract infections due to impaired immunity with decreased immunoglobulin levels, and decreased coagulation factors. Additional features include hypogonadism with or without hypospadias in males, skeletal anomalies, seizures and cardiac anomalies in some cases. ALG12-CDG is caused by loss of function mutations of the gene ALG12 (22q13.33).

ALG12-CDG Is also known as cdg1g|mannosyltransferase 8 deficiency|congenital disorder of glycosylation type ig|cdgig|cdg ig|carbohydrate deficient glycoprotein syndrome type ig|cdg syndrome type ig|congenital disorder of glycosylation type 1g|cdg-ig

• Seizures
• Global developmental delay
• Generalized hypotonia
• Hearing impairment
• Microcephaly

SOURCES: MESH OMIM ORPHANET MENDELIAN

Sanjad-Sakati syndrome (SSS), also known as hypoparathyroidism - intellectual disability-dysmorphism, is a rare multiple congenital anomaly syndrome, mainly occurring in the Middle East and the Arabian Gulf countries, characterized by intrauterine growth restriction at birth, microcephaly, congenital hypoparathyroidism (that can cause hypocalcemic tetany or seizures in infancy), severe growth retardation, typical facial features (long narrow face, deep-set eyes, beaked nose, floppy and large ears, long philtrum, thin lips and micrognathia), and mild to moderate intellectual deficiency. Ocular findings (i.e. nanophthalmos, retinal vascular tortuosity and corneal opacification/clouding) and superior mesenteric artery syndrome have also been reported. Although SSS shares the same locus with the autosomal recessive form of Kenny-Caffey syndrome (see this term), the latter differs from SSS by its normal intelligence and skeletal features.

SANJAD-SAKATI SYNDROME Is also known as richardson-kirk syndrome|hrd syndrome|sanjad-sakati syndrome|hypoparathyroidism-intellectual disability-dysmorphism syndrome|hypoparathyroidism, congenital, associated with dysmorphism, growth retardation, and developmental delay|sss|hypoparathyroidism wi

• Intellectual disability
• Seizures
• Global developmental delay
• Short stature
• Generalized hypotonia

SOURCES: ORPHANET MESH OMIM MENDELIAN

Mosaic variegated aneuploidy is an autosomal recessive disorder characterized by mosaic aneuploidies, predominantly trisomies and monosomies, involving multiple different chromosomes and tissues. The proportion of aneuploid cells varies but is usually more than 25% and is substantially greater than in normal individuals. Affected individuals typically present with severe intrauterine growth retardation and microcephaly. Eye anomalies, mild dysmorphism, variable developmental delay, and a broad spectrum of additional congenital abnormalities and medical conditions may also occur. The risk of malignancy is high, with rhabdomyosarcoma, Wilms tumor, and leukemia reported in several cases (summary by Hanks et al., 2004). Genetic Heterogeneity of Mosaic Variegated Aneuploidy SyndromeSee also MVA2 (OMIM ), caused by mutation in the CEP57 gene (OMIM ) on chromosome 11q21, and MVA3 (OMIM ), caused by mutation in the TRIP13 gene (OMIM ) on chromosome 5p15.

MOSAIC VARIEGATED ANEUPLOIDY SYNDROME 1; MVA1 Is also known as mva syndrome

• Intellectual disability
• Seizures
• Global developmental delay
• Short stature
• Generalized hypotonia

SOURCES: OMIM MENDELIAN

Fraser syndrome is an autosomal recessive malformation disorder characterized by cryptophthalmos, syndactyly, and abnormalities of the respiratory and urogenital tract (summary by van Haelst et al., 2008). Genetic Heterogeneity of Fraser SyndromeFraser syndrome-2 (FRASRS2) is caused by mutation in the FREM2 gene (OMIM ) on chromosome 13q13, and Fraser syndrome-3 (FRASRS3) is caused by mutation in the GRIP1 gene (OMIM ) on chromosome 12q14.See Bowen syndrome (OMIM ) for a comparable but probably distinct syndrome of multiple congenital malformations.

FRASER SYNDROME 1; FRASRS1 Is also known as cryptophthalmos with other malformations|fraser syndrome|cryptophthalmos-syndactyly syndrome

• Intellectual disability
• Hearing impairment
• Microcephaly
• Hypertelorism
• Cleft palate

SOURCES: OMIM MENDELIAN

ECTRODACTYLY, ECTODERMAL DYSPLASIA, AND CLEFT LIP/PALATE SYNDROME 1; EEC1 Is also known as eec|eec syndrome 1

• Intellectual disability
• Hearing impairment
• Microcephaly
• Hypertelorism
• Cleft palate

SOURCES: OMIM MENDELIAN

X-linked intellectual disability, Cabezas type is characterised by intellectual deficit, muscle wasting, short stature, a prominent lower lip, small testes, kyphosis and joint hyperextensibility. An abnormal gait, tremor, decreased fine motor coordination and impaired speech are also present. The syndrome has been described in six boys from three generations of the same family. Transmission is X-linked and the causative gene has been localised to the q24-q25 region of the X chromosome.

X-LINKED INTELLECTUAL DISABILITY, CABEZAS TYPE Is also known as cabezas syndrome|mrss|mrxs15|mental retardation, x-linked, with short stature|mental retardation, x-linked, with short stature, hypogonadism, and abnormal gait|mental retardation, x-linked, syndromic 15

• Intellectual disability
• Seizures
• Short stature
• Generalized hypotonia
• Microcephaly

SOURCES: OMIM ORPHANET MENDELIAN

The proximal 16p11.2 microdeletion syndrome is a chromosomal anomaly characterized by developmental and language delays, mild intellectual disability, social impairments (autism spectrum disorders), mild variable dysmorphism and predisposition to obesity.

PROXIMAL 16P11.2 MICRODELETION SYNDROME Is also known as proximal del(16)(p11.2)|proximal monosomy 16p11.2

• Intellectual disability
• Seizures
• Global developmental delay
• Microcephaly
• Scoliosis

SOURCES: OMIM ORPHANET MESH MENDELIAN

In patients with SSMED, short stature and microcephaly are apparent at birth, and there is progressive postnatal growth failure. Endocrine dysfunction, including hypergonadotropic hypogonadism, multinodular goiter, and diabetes mellitus, is present in affected adults. Progressive ataxia has been reported in some patients, with onset ranging from the second to fifth decade of life. In addition, a few patients have developed tumors, suggesting that there may be a predisposition to tumorigenesis. In contrast to syndromes involving defects in other components of the nonhomologous end-joining (NHEJ) complex (see, e.g., {606593}), no clinically overt immunodeficiency has been observed in SSMED, although laboratory analysis has revealed lymphopenia or borderline leukopenia in some patients (Murray et al., 2015; Bee et al., 2015; de Bruin et al., 2015; Guo et al., 2015).

• Global developmental delay
• Short stature
• Hearing impairment
• Microcephaly
• Ataxia

SOURCES: OMIM MENDELIAN